The RIDGID 775 Support Arm (Model 42625) stabilizes the RIDGID 700 Power Drive during high‑torque threading of pipes over 1″ (up to 2″). It clamps securely around the pipe, resisting rotational forces and providing better control. Solid cast‑iron construction offers long‑lasting durability. Designed specifically for use with the RIDGID 700 Power Drive threading machine.