Product Details & Features:
- Quickly repairs damaged threads from 5/16-in to 7/8-in (8-22mm)
- Hardened HRC 60 steel blades remove burrs and uneven ridges from threaded rods, pipes, and more
- Works on Hardened and mild steels, grade 8 fasteners, stainless steel, brass, Copper, aluminum, plastics, wood, etc.
- 1/4-inch hex shank attaches to your drill quickly
- Low speeds make this tool most effective – Recommended speed should not exceed 500 RPM in a Clockwise direction only
- Made in Taiwan, patent # 9821393