The of the reaming tool is covered with knurling to increase friction. It is not but allows you to hold the reaming tool firmly so that it is not easy to slip when reaming, which can also improve work efficiency. Constructed from premium hardened steel, this heavy-duty pipe reamer is designed to endure years of tough daily use in , ensuring long-lasting performance Replace for Part Number 29983 Model 223S Reamer. This reaming tool has an outer cone and an inner cone at each end, featuring 45 heavy-duty edges to quickly and cleanly remove burrs from the inner and outer edges of pipes or tubes There is a ruler on each side of the reaming tool, one side is in inches (about 2.2 inches) and the other side is in centimeters (about 5.5 cm), which is convenient for timely and flexible adjustment during operation This reaming tool can be used to Ream/Deburr/Bevel Aluminum, Copper, Stainless Steel tubes and pipes with an outside diameter capacity of 1/4 inch to 1-1/4 inch (About 6mm to 32mm). It is also for Galvanized Pipe, PVC pipe, Bellow Plumbing Works After cutting, burrs are likely to remain on the inner and outer edges of the pipe, which can easily scratch your hands. If you pass the wire directly through the pipe, the wire insulation layer is likely to be scratched by the burrs, which can cause electrical Leakage in serious cases. This reaming tool can help you quickly grind off the burrs on the inner and outer edges of the pipe, ensuring safety to a certain extent, Weight: 0.50816551391 pounds, Manufacturer: Aisuoka