Hydraulic Roll Groover, 918 w/535 Carriage Mount KitThe RIDGID Model 918 Hydraulic Roll Groover features a powerful 15 ton hydraulic ram in a compact, easy to transport unitWith one man set-up and operation, the 918 is the ideal groover for job-site requirementsMounts quickly to RIDGID 300 power drive, 535, 1822,