Capacity 1/8″-2″ (3mm-50mm) pipe, 1/4″-1″ bolt with OO-RB die heads. Designed for RIDGID No. 12-R die heads. Other RIDGID die heads (OO-R, OO-RB, 11-R) using adapters, threading 2 1/2″ through 6″ (62mm-150mm) with 141/161 geared threaders. Also used with 258/258XL pipe cutters. Die heads not included
Approved by CSA to CSA and UL standards (115V only).