HSS Hole Saw Set for Drill, 12 Pieces 15-50 mm

A set of hole saws that fit a drill to cut clean round holes, for example to pass cables, pipes or fit door hardware and small fixtures in thin sheet material. Each toothed cup has its own centre pilot bit and a shank for the drill chuck. The 12 sizes listed are 15, 16, 18, 20, 21, 22, 25, 26, 28, 30, 35 and 50 mm. The supplier lists HSS (high-speed steel). It ships in a package of about 15 x 20 x 5 cm, weighing around 730 g. Contents: 12 hole saws; drill not included. Use eye protection and clamp the work piece.