The effective tool for electricians plumbers carpenter & locksmiths. Ideal for installation & renovation work. Makes holes in wood & other soft materials twice as fast as any other drill. Has sharp cutting edges in three directions. Ideal for cutting straight or curved channels recesses for cables & pipework & creating a mortise for locks. Faster drilling. Cleaner holes. Can be resharpened. Drilling Rotation Speed 300-1500/min Milling Rotation Speed 1000-2500/min 1 x 7 mm. 3D bit 1 x 10 mm. 3D bit 1 x 12 mm. 3D bit 1 x 15 mm. 3D bit 1 x 18 mm. 3D bit 1 x 20 mm. 3D bit 1 x 22 mm. 3D bit 1 x 25 mm. 3D bit.