uxcell 75mm CNC Carbide Hinge Boring Drill Bit Wood Hole Saw Cutter Shank Diameter: 10mm/ 0.35"; Overall Length: 89mm/ 3.5" Material: Metal; Weight: 253g Package Content: 1 x Hinge Boring Bit; Boring Diameter: 75mm/ 3" Product Name: Hinge Boring Bit Main Color: Silver Tone , Blue