Ridgid 48382R Pipe Roll Groovers; Minimum Pipe Size Capacity: 1 ; Maximum Pipe Size Capacity: 12 ; Groover Capacity: 12 in Sch. 10 Steel, Stainless Steel ; Requirement: 3-1/2 in of Clearance to Travel Around A Pipe; Minimum of 2-3/4 in of Exposed Pip