The Milwaukee Copper Cutting Wheels (2-Pack) are ideal for cutting copper tubing. The wheels feature hardened steel construction with black oxide for durability, and the convex design of the blade helps prevent chipping. Copper Cutter Wheel 2 Pack. Includes 2 replacement cutter wheels. For use with Milwaukee 12V Copper Tubing Cutter model 2471. Precision machined for fast, accurate cuts. Hardened steel with black oxide for long life.