Model 975 Combo Roll GrooverThe Model 975 Combo Roll Groover is two tools in one. Like other RIDGID roll groovers, the 975 mounts on the RIDGID 300 Power Drive for machine powered roll grooving jobs. It also designed to manually roll groove in place pipe. Auto tracking and depth setting gauge means easier use. The 975 Combo Groover includes new, patented auto tracking technology for significantly easier grooving. Whether you're doing machine powered or manual grooving, the