Keep the Job Moving when a connection hole is undersized VersaDrive Reamers perform the fastest and with less kickback when adapted for use with an Impact wrench for enlarging holes in steel plate up to around 20mm thick. However, they can also be used in any standard 1/2\" cordless or pistol drill chuck or adapted for use in a slow speed Magnet Drill, for thicker materials. The VersaDrive Reamer can also be used for enlarging holes in plastic, wood, or construction materials. Precision 6-Flute design for smooth cut on structural steel. Safer reaming with minimal kickback; specially hardened for impact wrench use. 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