RIDGID 44923 Model 690-I Hand-Held Power Drive Kit, Pipe Threading Machine and 1/2-Inch to 2-Inch 11-R NPT Pipe Threading Die Heads with Carrying Case for Threading Pipe RIDGID die head retaining system is a simple twist and release for the 1-1/2-inch to 2-inch NPT 11R Die Heads and Die Head Adapter Lightweight and portable pipe threading tools for maintenance, repair and service plumbers Easy to handle pipe threading tool with an over molded handle and contoured grip provide optimal control Screw-in motor brush covers reduce service time to keep the pipe threading equipment in operation Durable die-cast gear housing and fiberglass reinforced plastic body to withstand demanding job site conditions