| This product set is long-lasting and practical, it can provide 12 kinds of size HSS hole saw ,meet your different needs. Features: Long-lasting and practical. Provide 12 kinds of size HSS hole saw ,meet your different needs. Perfect for installing locks, knobs in doors and cabinets or drilling larger diameter holes through desks etc. Cuts steel, stainless steel, copper, brass, aluminum, fiberglass and other laminates in seconds. Easy to use and operate. Specification: Item type: Drill Bit Material:HSS Outside Diameter:15mm/0.59",16mm/0.62",18mm/0.71",20mm/0.78",21mm/0.82",22mm/0.86",25mm/0.98",26mm/1.02",28mm/1.11",30mm/1.18",35mm/1.37",50mm/1.96" Length:65mm/2.55''(Approx) Optimal Rotational … | |