Zinc alloy with hardened steel cutter wheel. For easy rotary cutting of plumbing pipes. Wheel automatically adjusts to pipe diameter. Compatible with copper pipes 15 and 22mm diameter. Includes 2 x spare cutting wheels. Zinc alloy with hardened steel cutter wheel. For easy rotary cutting of plumbing pipes. Wheel automatically adjusts to pipe diameter. Compatible with copper pipes 15 and 22mm diameter. Includes 2 x spare cutting wheels.