Uxcell Square Mortising Chisel Cutting Spurs Bit Tool, 3/8" Product Name : Square Chisel Mortiser;Material : Metal;Chisel Side Length : 9.6mm / 3/8" Chisel Depth : 52mm / 2";Bit Shank Diameter : 6.5mm / 0.3" Bit Width (Bottom) : 9.5mm / 0.4";Flute Length : 72mm / 2.8" Shank Diameter(Max) : 19mm / 0.7";Color : Silver Tone, Black Weight : 149g;Package Content : 1 x Square Hollow Chisel Bit Mortiser