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Ratchet screwdrivers

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Ratchet screwdriver

— a screwdriver equipped with a ratchet mechanism (ratchet). The principle of operation of such a mechanism is that when the handle is rotated in one direction, the tip rotates with it, transferring force to the fasteners, and when rotated in the other direction, it remains in place. Thus, you can work with a screwdriver without intercepting the handle — just turn it back and forth, the tip will still turn in only one direction. To change the direction (for unscrewing or twisting), the corresponding switch is necessarily provided in the design. Often it also has a third position, in which the tip is completely blocked, and the tool works like a classic screwdriver.

At idle, the mechanism of such a tool emits a characteristic crackle, hence the name.
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Rolson Tools Stubby Ratchet & Bit Set, 34 Piece 28399
from £6.67 up to £10.49 
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This compact yet comprehensive 34-piece Stubby Ratchet Screwdriver Set provides the ultimate solution for professional-level tasks in confined spaces. The 80mm stubby handle features a reversible 21-g more→ear ratchet and a knurled collar for fast, controlled, Compact 80mm handle with a reversible 21-gear ratchet allows fast, continuous operation and easy access to screws in tight spaces Includes 15 essential 1/4" hex bits and 18 detailed 4mm precision bits (T,PH,SL,Hex profiles), covering a vast range of applications Inbuilt bit dispensers for both full-size and precision bits, a rotating collar for bit identification, and a side magnet for attaching to metallic surfaces Knurled collar allows for …
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