Uxcell Hinge Boring 70mm Cutting Drill Bit, Blue Gray Product Name : Hinge Boring BIt;Suitable for : Wood Cutting Drilling Diameter : 70mm / 2.75inch;Shank Size(Small) : 24 x 9.5mm/0.94inch x 0.37inch(LD) Shank Size(Big) : 34 x 15.5mm/1.3inch x 0.6inch(LD);Total Length : 80mm / 3.1inch Material : Metal, Carbide;Color : Gray, Blue Weight : 171g;Package Content : 1 x Hinge Boring Bit