uxcell 20mm Drill Hinge Boring Bit Tool for Carpentry Product Name: Hinge Boring Bit Material: Metal; Color: Blue, Gray; Boring Diameter: 20mm / 0.79'' Shank Diameter: 6.5mm; Shank Length: 65mm / 2.56" Total Length: 78mm / 3.07''; Net Weight: 42g Package Content: 1 x Hinge Boring Bit