Uxcell Carpentry 25mm Dia Forstner Tip Hinge Boring Bit Drilling Tool, Blue Product Name : Hinge Boring BIt; Suitable for : Wood Cutting Drilling Diameter : 25mm / 0. 98"; Shank Size(Small) : 25 x 9. 5mm/0. 98" x 0. 37"(LD) Shank Size(Big) : 11 x 10mm/0. 43" x 0. 4"(LD); Total Length : 75mm / 2. 95" Material : Metal, Carbide; Color : Gray, Blue Weight : 49g; Package Content : 1 x Hinge Boring Bit