Feature●This 1" Hole Saw Drill Bit is designed for wood / plastic / metal sheet cutting.●Dimension: Diameter-1 in(25mm); Cutting Depth- 1.2 in(30mm); Arbor shank diamater- 3/8 in●The thicker wall of the 2 inch hole saw is made of M42 High Speed Steel and BI-Metal, improves durability and minimizes tooth loss●Variable Tooth Design and High quality material enhances hole cutter performance - Cuts precise 1in holes smoothly in drywall, ceiling tile steel, wood, plastic, stainless steel and mild steel, metal, aluminum●Pakage Include: 1 x 1 inch hole saw; 1 x arbor; 1 x replacement pilot drill bit; 1 x hex keyDescription Koopi 1-inch Hole Saw with Arbor, Bi-Metal Hole Cutter for Easily Drilling Wood, Plastic, Plywood, Drywall, Thin Metal - 25mm Diameter