Ridgid 2 Pack 0.75" Steel Replacement Cutting Wheel for Tubing Cutter #'s 101, 103,104, 117 & 118. This cutting wheel is made of durable steel for long-lasting performance. It is designed to make quick and precise cuts through copper, brass, and aluminum tubing. The 0.75" diameter wheel is compatible with Ridgid tubing cutters #'s 101, 103,104, 117 & 118.