9pcs Plumbing HSS Bi-Metal Steel Wood Hole Saw Drill Bit Set

Drills quickly and steadily through a wide variety of materials. Designed to cut metal, mild steel, aluminum, plastic and plasterboard. Power drill bit adaptor with replaceable pilot HSS drill bits. Large adapter includes socket safety locking tab. Kit includes six most common socket drill bits. Kit includes plastic storage case. Specifications: Brand: Tolsen. Model: 75861. Socket drill bit sizes: 19mm (3/4in), 22mm (7/8in), 29mm (1-1/8in), 38mm (1-1/2in), 44mm (1-3/4in), 57mm (2-1/4in). Small pilot drill bit adaptor 9.5mm (3/8in) hex shank arbor with HSS drill bit for 19-29mm. Large pilot drill bit adaptor 11mm (7/16in) hex shank arbor with HSS drill bit for 38-57mm. One hex key wrench. Package includes: 9pcs bi-metal hole saw set.