The DOMINOX deburring tool fits 1/2" to 2-1/8" OD pipes in copper, brass, stainless steel, aluminum, and more. Hardened steel 45° cutting edges with black oxide coating remove internal and external burrs simultaneously with a simple rotation. Knurled non-slip grip, compact design for easy toolbox storage. Professional-grade performance for plumbing, HVAC, automotive, and home maintenance.