RIDGID 25638 975 Combo Roll Groover, Grooving Machine Mounts to RIDGID 300 Power Drive for Schedules 10, 40, and 80 Pipe AutoTracking gauge keeps the pipe automatically engaged throughout the process, and the depth setting gauge allows quicker, repeatable set-up 55% higher gear reduction means less hand force required versus competitive manual pipe groovers A tough, ductile iron construction means the 975 can absorb job site abuse and provide accurate grooves time after time Mounts on the RIDGID 300 Power Drive to operate as a grooving machine, or it can manually roll groove in-place pipe. Large capacity of nominal pipe sizes and materials