Designed for fast, accurate cutting and longer blade life. Precision-machined for high performance when cutting copper pipe. Constructed of hardened steel with a black oxide finish that resists corrosion and rust. Convex blade design reduces chipping for smooth, burr-free cuts. Use with the M12 Copper Tubing Cutter Model 2471. No. 48-38-0010: Applications: Copper, For Use With: M12 Model 2471, Pkg Qty: 2, Package Type: Clamshell