The Ridgid 33170 is a wheel for Ridgid pipe cutters. This wheel is precision machined from high quality steel and is designed for long and maximum cutting accuracy. This wheel is designed to cut copper and aluminum when trimming pipes under the floor for shower/floor drain installations or over the ceiling for sprinkler head installations. The Ridgid 33170 fits Cutter model numbers 30, 40, 108, 109, 109P, 154 and 156. Since 1923, Ridgid has been the symbol of safety for dedicated professionals of the trade. Every tool that bears the Ridgid brand has been engineered to the same high standards of quality, strength and endurance as the first heavy duty pipe wrench more than 80 years ago. Ridgid covers its products with one against defects in material or workmanship for the entire tool itself.