HMT 506010-SET1 VersaDrive ImpactaStep Cutter Set 16-26mm The HMT 506010-SET1 is a 3 Piece Set containing the 506010-160, 506010-220 and 506020-260 Cutters in a handy carry case. A Versadrive exclusive innovation, the ImpactaStep Cutter offers combined drilling and reaming on materials up to 12mm thick. Featuring 5 individual cutting diameters and a straight flute design for strength and easy resharpening, the ImpactaStep Cutter is optimised for use with Impact Drivers and Impact Wrenches as well as the latest range of VersaDrive Premium Magnet Drills. VersaDrive ImpactaStep Cutters have a patented non-slip, Hex shank suitable for use in any standard 1/2 drill chuck for cordless or pistol drills or used with a VersaDrive Rapid Lock adapter for use in a wide range of power tools such as Magnetic Drills. Features: Each Cutter is 5 drill bits in one High strength, non-slip shank design Specially hardened for impact wrench use Create & enlarge holes in materials up to 12mm thick GoldMax low-friction titanium coating to stop burnout Fast, smooth drilling and reaming with minimal kickback Safety breakthrough collar to prevent injury and damage Specification: Step Diameters: 506010-160: 8 - 10 - 12 - 14 - 16mm  506020-260: 18 - 20 - 22 - 24 - 26mm 506010-0220: 14 - 16 - 18 - 20 - 22mm Step Depth: 12mm  11mm Versadrive hex shank