Torrence 21.5 in. x 15.5 in. Flat Black Bench Support Garage Flooring Tiles Suitable for all standard distances Suitable for all standard distances between the handle and the door edge (wood as well as metal) from 1 3 8 to 1 3 4 inches thick (35mm to 45mm) Series Name N A Sub Brand N A Bit Type Auger bit Bit Length 7 1 2 in Shank Size 5 16 in Shank Type Hex Material High speed steel Case Type N A (no case) Quick Change No For Use With Power tool For Use on Metal No For Use on Wood Yes Warranty None Set Individual Set Package Quantity 3 CA Residents: Prop 65 Warning(s) Yes Brand Model Compatibility All Bit Diameter (Inches) Assorted Torrence Bench Support is ready to install into your half wall around the fire pit or in a full wall privacy divider ) 3 Manufacturer Warranty Manufacturer defect