VersaDrive ImpactaTaps make tapping holes in structural metals quick and easy. Use a standard impact wrench or impact driver to power these unique taps through metal in seconds. This bestselling starter kit contains M6, M8, M10, M12, M16 308010 ImpactaTaps. Impactataps can also be adapted for use in a reversible Magnet Drill, or even used with any standard Hand Tap wrench. Fast Tapping with Minimal Kickback; Specially hardened for Impact Wrench use. Chipbreaker action for Automatic chip clearance when Impact Tapping. Unique Dual-Point Starting Angle for easy alignment and fast cut. High Grade Tool Steel with Ground Flutes for high accuracy & long life. GoldMax low-friction Titanium coating to stop heat burn out. High Strength, Non-slip Shank Design.