With the Ridgid 92442 drive and groove roll set, you expand the capability of your Ridgid 915 manual roll groover to handle larger pipe sizes. Consisting of one drive roll and one groove roll, this set is engineered to groove 8" to 12" Schedule 10 steel, stainless steel, and pvc pipes with high accuracy. It allows you to produce clean, uniform mechanical joints directly on the job site without swapping out your entire machine. Thanks to the matched roll tooling, you work with complete control and dependable precision on commercial HVAC, fire sprinkler, and industrial piping projects.