uxcell 50mm Diameter Iron Cutting 6mm Twist Drilling Bit HSS Hole Saw Tool Product Name : Hole Saw;Used for : Metal Hole Cutter;Design : Twist Drill Bit , Triangle Shank Pilot Drill Diameter : 6mm / 0.23";Hole Saw Diameter : 50mm / 1.98";Shank Size : 7.8mm / 0.3" Drill Bit Depth : 21mm / 0.84";Hole Saw Depth : 9.5mm / 0.38";Total Length : 72mm / 2.8" Material : HSS;Main Color : Gray,Silver Tone Net Weight : 102g;Package Content : 1 x Hole Saw1 x Drill Bit