Ridgid 29983 Inner-Outer Reamer 6-36mm Capacity  The Ridgid 223S Reamer has a hardened steel construction with 36 cutting edges on interior cone allow for fast, clean, inner reaming and outer deburring / beveling of copper steel, aluminium and stainless steel tubing.  Features:   Integrated measuring tool  Hardened steel construction   36 cutting edges on interior cone allow for fast, clean, inner reaming and outer deburring/beveling of 1/4\"- 1.1/4\" (6mm-36mm) copper and stainless steel tubing  Intended materials:   Steel  Copper  Aluminium   Stainless steel  Specification:  Model: 223S Catalogue Number: 29983 Capacity on Copper and Stainless Tubing: ¼\" (6 mm) through to 1¼\" (36 mm)