Uxcell Carbide Tipped Hinge Boring Bit Drilling Tool, 80 x 50mm, Blue Gray Product Name : Hinge Boring BIt; Suitable for : Wood Cutting Drilling Diameter : 15mm / 0. 59"; Shank Size(Small) : 25 x 7mm/0. 98" x 0. 27"(LD) Shank Size(Big) : 33 x 8mm/1. 3" x 0. 47"(LD); Total Length : 80mm /3. 1" Material : Metal, Carbide; Color : Gray, Blue Weight : 31g; Package Content : 1 x Hinge Boring Bit