Plumb Bobs & Chalk Lines

The Stanley Chalk Line Refill in Red is specifically formulated for external masonry work, providing an indelible marking solution that won't fade or wash away easily. This high-grade red chalk is the professional's choice for outdoor construction projects where permanent, highly visible marking lines are essential. Supplied in a 113g square bottle, this refill features Stanley's anti-roll design that keeps the bottle stable on work surfaces, preventing wasteful spills and improving site safety. The twist-to-open spout enables precise, controlled pouring when refilling your chalk line reel, ensuring you can work efficiently without interruption. The indelible nature of this red chalk makes it …

The Sealey Braided Nylon Brick Line Spool in fluorescent yellow offers 76m of highly visible marking line, making it the traditional choice for construction professionals and tradespeople. The bright yellow colouring provides excellent contrast against most work surfaces and is widely recognised as the industry standard for brick laying and masonry alignment work. Designed for reliability in all conditions, this brick line is suitable for both indoor and outdoor use across numerous applications including masonry, gardening, crafting and marking tasks. The braided nylon construction creates a strong, durable line that resists stretching and breaking, whilst the material's water-resistant properties …

The Faithfull Chalk Powder in Blue offers excellent visibility for marking on lighter surfaces and is a popular choice for general construction work. This 250g refill provides a vibrant blue line that stands out clearly on wood, concrete, and other building materials, making it ideal for framing, tiling, and general layout work. The blue chalk powder comes in a practical nozzle-cap squeezy bottle with an easy pouring spout, allowing you to refill your chalk line reel quickly and cleanly without spillage. Suitable for both interior and exterior applications, this versatile marking powder delivers consistent performance in various working conditions. Features and Benefits: • Bright blue colour …

The Marshalltown 86 Hardwood Brick Line Blocks are essential bricklaying accessories designed to provide a reliable alternative to traditional line pins. Supplied as a pair, these blocks enable bricklayers to maintain accurate horizontal alignment when laying brick courses. Constructed from durable hardwood, these brick line blocks offer a practical solution for setting out brickwork lines without the need to drive pins into mortar joints. They work by gripping the line cord between the block and the wall face, making them particularly useful on existing walls or structures where line pins cannot be used. Ideal for bricklayers and masonry contractors working on renovation projects or extensions,…

The Bahco Marking Chalk Pour Bottle in White provides crisp, clean marking lines, making it the ideal choice for dark surfaces and applications where a neutral colour is preferred. This 227g refill bottle features fine-milled white chalk that adheres effectively to chalk line cords, delivering precise, long-lasting lines with excellent visibility on darker materials. White chalk is particularly suited to marking on dark timbers, black membranes, and tarmac surfaces where maximum contrast is crucial. The easy-pour bottle design ensures quick, mess-free refilling of your chalk line tool, maintaining efficiency throughout your working day. The fine-milled formulation provides optimal coverage and …

The Faithfull Brick Line Blocks are robust L-shaped plastic tools designed to help bricklayers maintain straight and level courses during construction work. These essential bricklaying accessories quickly adjust under tension for both length and height, ensuring accurate brick alignment throughout your project. Constructed from durable plastic, these line blocks feature an integrated line storage system that keeps your brick line organised and tangle-free when not in use. The practical L-shaped design provides a secure grip on brick edges, allowing you to set up your working line quickly and efficiently. Ideal for bricklayers, contractors and construction professionals working on walls, extensions …

The Bahco Marking Chalk Pour Bottle in Yellow offers outstanding visibility across a wide range of surfaces, making it a versatile choice for general construction and carpentry applications. This 227g refill bottle contains fine-milled yellow chalk that attaches securely to chalk line cords, producing bright, long-lasting marking lines that remain clearly visible throughout your project. Yellow chalk provides excellent all-round visibility on both light and medium-toned surfaces, making it particularly popular for mixed-material projects and general marking tasks. The easy-pour bottle design facilitates quick, mess-free refilling, ensuring minimal interruption to your workflow. The fine-milled …

The Draper Ranging Line Rotating Spool is a practical brickwork layout tool designed for setting out and measuring during construction projects. This essential ranging line features a rotating spool mechanism that allows smooth, controlled line deployment, making it ideal for bricklayers, groundworkers and contractors working on site. The shaped handle design enables the tool to be pushed directly into soft ground, providing a secure anchor point when laying out foundations, walls or other building elements. The rotating spool ensures the line feeds out smoothly without tangling, saving time during setup and reducing frustration on site. Supplied with 100 metres of high-visibility orange polypropylene …

The Bahco Marking Chalk Pour Bottle in Blue offers exceptional visibility on lighter-coloured surfaces and is ideal for internal carpentry and general construction work. This 227g refill bottle features fine-milled blue chalk that adheres effortlessly to your chalk line cord, creating precise, long-lasting marking lines that remain clear throughout your project. The easy-pour bottle design enables quick, mess-free refilling of your chalk line tool, minimising downtime on site. Blue chalk is particularly popular for interior applications where high contrast is needed against light timbers, plasterboard, and concrete surfaces. The fine-milled formulation ensures optimal coverage and consistent …

The Draper Brick Line and Block Set is a professional bricklaying alignment tool designed to ensure accurate coursing and level brickwork. This essential bricklaying accessory comprises two impact-resistant plastic guide blocks and approximately 18 metres of highly visible polyethylene line, providing reliable performance on construction sites and building projects. The L-shaped blocks are engineered to secure the line firmly in place at each end of the wall, preventing slippage during use and maintaining tension throughout the working day. The weather-resistant polyethylene line offers excellent visibility in various site conditions, making it easier to maintain straight courses even in challenging …

The Faithfull Brick Line Runner is a spring-loaded clamping tool designed to replace traditional line blocks for faster, more efficient bricklaying alignment. Simply tie your brick line onto the runner and clamp the unit directly over your working material using the spring-loaded jaws for a secure hold. Built from durable engineering plastic with a stainless-steel spring mechanism, this brick line runner offers excellent weather resistance and is engineered to withstand the demanding conditions found on construction sites. The anti-slip pads firmly adhere to the surface of your working material, ensuring a stable fixing point for accurate coursing. Suitable for use on materials between 90mm …

The Stanley Tools Chalk Refill in Red is a 225g professional-grade chalk specifically formulated for external masonry work where permanent marking is required. This red chalk variant is indelible, making it the ideal choice for long-lasting reference lines on brickwork, blockwork, and other masonry surfaces where marks need to withstand weather exposure and site conditions. Designed for use with chalk line reels, this high-grade chalk delivers bold, highly visible red lines that won't fade quickly on outdoor projects. The innovative square bottle design ensures it stays put on uneven surfaces and won't roll away, whilst the twist-to-open spout provides controlled, mess-free pouring when refilling …

The StraitLine Chalk Refill Permanent in Red is specifically formulated for outdoor permanent applications, delivering exceptional durability with lines that remain visible for up to 2 months. This red chalk is the ideal choice for long-term marking requirements on construction sites, outdoor installations, and projects where layout lines need to withstand weather exposure and site traffic. The vibrant red colour provides outstanding visibility on a wide range of surfaces, including concrete, asphalt, timber, and masonry. This permanent formulation ensures your marking lines stay clear and legible throughout extended project timelines, eliminating the need for constant re-marking. Features and …

Marshalltown MLP62-DS Line Pins (Pack Of 2)Description:The Marshalltown MLP62-DS Line Pins are essential tools for bricklayers, used to stretch mason’s line when laying bricks or blocks. This 2-pack of chrome-plated pins features a leaf point design for easy insertion into mortar joints or the ground. Each pin is forged from a single piece of hardened steel for maximum strength and resistance to bending or breaking. The large circular head provides a wide striking surface for added convenience on-site. Supplied blister packed for easy storage and display.Specifications:Material: Hardened SteelFinish: Chrome-PlatedHead Type: Circular striking headQuantity: Pack of 2Packaging: Blister packedFeatures:Used to…

The Faithfull Hi-Vis Nylon Brick Line in Pink offers excellent visibility on site whilst providing reliable performance for bricklaying and marking out tasks. This 100m (330ft) length provides ample line for extensive projects, reducing the need for frequent replacements. The bright pink hi-vis colour stands out clearly against most backgrounds, making it easy to see your working lines in various lighting conditions. The braided nylon construction delivers strength and flexibility with minimal stretch, ensuring accurate alignment throughout your work. Unlike twisted cord, this braided line resists fraying and does not spin when used as a plumb line, making it versatile for multiple applications.…

The Faithfull Hi-Vis Nylon Brick Line in Yellow delivers outstanding visibility on construction sites whilst providing dependable performance for bricklaying and marking out applications. This 100m (330ft) length offers generous coverage for large-scale projects, minimising interruptions for line changes. The bright yellow hi-vis colour provides exceptional contrast against most surfaces, ensuring your working lines remain clearly visible throughout the day. The braided nylon construction combines strength and flexibility with reduced stretch compared to other line types, maintaining accurate alignment for professional results. The braided design resists fraying and eliminates the spinning associated …

This Black 225g Stanley FatMax Chalk Refill delivers high-contrast marking lines that stand out clearly on light-coloured surfaces. Black chalk is the versatile choice for general construction and joinery work, providing excellent visibility on timber, plasterboard, and lighter materials where strong definition is required. The advanced weather-resistant formula maintains line clarity in both wet and dry conditions, whilst the anti-clumping technology ensures consistent chalk flow from your reel. Whether you're working on interior fit-outs or exterior projects, this black chalk refill offers reliable performance across diverse applications. The square bottle design is a thoughtful touch that …

For use with a bricklayer's line when laying out a course of bricks.

This White Mason's Line from Marshalltown provides excellent visibility against darker backgrounds and materials, making it ideal for precision work on brick and blockwork projects. The 76.2m (250ft) length offers generous coverage for extended runs without the need for frequent repositioning. Manufactured from twisted nylon that has been heat set after winding, this line delivers enhanced stability and maintains accurate tension throughout use. The heat-setting process locks the twist pattern, preventing unwinding and ensuring the line remains true over time. The white colour is particularly effective for traditional bricklaying applications where contrast against red or buff bricks is essential.…

This Brick Line Dispenser Reel comes with 100m of strong, hi-vis braided nylon building line. The handle is made from durable polyethylene with a free-spinning top section that allows the line to be quickly rewound. The spool can be easily changed and replacement lines are sold separately. Hi-vis line is ideal for general bricklaying and marking out. Available in 3 high-visibility colours: Orange, Yellow and Pink. PLEASE NOTE colour selection is random. Breaking Strength: 26.4kg. Features: Durable polyethylene reel The free-spinning top section allows for quick rewind Ideal for general bricklaying and marking out Supplied with hi-vis brick line; random colour selection: orange, yellow or pink …

The STL10507683 Irwin Strait-Line Chalk Line Kit comprises a chalk line and 113g blue chalk. The Irwin Chalk Line has a heavy-duty case which is constructed of durable aluminium alloy. It has a steel plated hook and large grip anchor ring which provide better holding power. Its retractable self-locking metal handle allows reel to be used as a plumb bob.Its twisted cotton line holds more chalk for multiple line strikes. Holds approximately 55g of chalk.Line length: 30m.Additional Information:• Line Type: Set• Line Length (m): 30

This Fluorescent Yellow Mason's Line from Marshalltown combines exceptional visibility with professional-grade performance, making it the premium choice for safety-critical and precision applications. The high-visibility fluorescent yellow colour ensures the line stands out dramatically in all lighting conditions, whilst the 76.2m (250ft) length provides extensive coverage for large-scale projects. Constructed from twisted nylon that has been heat set after winding, this line offers outstanding stability and resistance to environmental factors. The heat-setting process creates a locked twist structure that maintains consistent tension and accuracy, even under demanding site conditions. The fluorescent …

The Draper Brick Line is a professional-grade marking line designed for accurate brickwork layout and alignment on construction sites. Made from white braided nylon, this robust line delivers reliable performance for bricklayers and general construction work where precise horizontal and vertical reference lines are essential. Built to withstand demanding site conditions, the braided nylon construction offers excellent durability whilst maintaining high visibility against most building materials. The high breaking strain ensures the line remains taut under tension, providing consistent accuracy when marking out courses or establishing level reference points across long runs. At 36 metres in length,…

This Yellow Mason's Line from Marshalltown delivers high visibility across a wide range of site conditions, making it a versatile choice for general construction and landscaping projects. The bright yellow colour stands out effectively against most backgrounds, whilst the 76.2m (250ft) length provides ample reach for larger layouts. Constructed from twisted nylon that has been heat set after winding, this line offers exceptional stability and resistance to stretching or distortion during use. The heat-setting process enhances the structural integrity of the twisted fibres, ensuring the line maintains accurate alignment under tension. The yellow colour is particularly popular for site layout …