Features: - This hole saw is made of carbon steel heavy duty steel, durable and rust-proof. - The extremely sharp blade of this hole saw for hard and soft woods is able to cut clean, round holes in stainless steel, alloy plate, iron, plastic sheet, copper and brass. - Metal hold saw kit is suitable for mobile belt magnetic drilling machine, vertical electric drill and hand-held electric drill. - This hole saw drill bit is designed for wood / plastic cutting.Suits for cornhole board drilling and other home projects. Specification: Material: Carbon Steel; Color: Black Package Included: 1 x 6-inch hole saw 3 x Hex shank drill bit adapter 1 x Hex key