TOOGOO(R) 0.63" Drill Bit 120mm Long Red Metal Hole Saw Set for Drilling Wood Product Name : Hole Saw;Material : Metal;Cutting Diameter : 12cm / 4.72" Cutting Deepth : 3.7cm / 1.45";Pilot Bit Diameter : 1.6cm / 0.63";Shank Diameter : 0.8cm / 0.31" Bit Total Length : 10.3cm / 4.05" Main Color : Red Weight : 619g;Package Content 1 x Hole Saw