The RIDGID Model 690-I Power Drives are double insulated drives that provide power for threading pipe and conduit. Operating at 36 RPM, forward and Reverse rotation can be selected with a slide switch while ON/OFF is controlled by a two-step momentary contact switch. The 690-I Power Drive is designed to use RIDGID 11-R Drop Head Die Heads (1/8 in. to 2 in. pipe). An adapter is required for use of the 690-I Power Drive with the 1/8 in. to 1-1/4 in. sizes. The adapter and the 1-1/2 in. to 2 in. sizes are held in the 690-I Power Drive using a Retaining Mechanism. The dual "V" Jaw Support Arm firmly improves alignment and prevents slipping. The body and handle are durable, heavy-duty fiberglass reinforced plastic. RIDGID 690-I pipe threading machine includes: RIDGID Hand-Held Power Drive with Dual "V" Jaw Support Arm, NPT 11-R Die Heads in 1/2 in., 3/4 in., 1 in., 1-1/4 in. and Operator's Manual. RIDGID - Built For Those Who Know.