Ridgid 33185 E3469 Replacement Tube Cutter Steel Wheels for Aluminum and Copper Replacement Part Number: 33185 Specification:Replacement tube cutting wheel designed for use with manufacturer model numbers 32975, 32985, and 40617. This cutting wheel is compatible with materials such as aluminum and copper, with a tool length of 3/4 inches. It is specifically engineered to work seamlessly with Grainger part numbers 19U181, 1ATH6, 1ATH7, 1ATH8, 1XDY4, 4A513, 4A514, 4A515, 4CW57, and 6XW70.Applications:Fit For Aluminum and Copper