1980 This durable 'T-Handle' type torque tool with a contoured comfort-fit handle features a removable socket and a unique locking collar, which allows the tool to be as an untorqued snug-up or back-off, as well as a conventional torque tool. with the locking collar retracted, the tool torques to the right (tightening), while ratcheting to the le-Feet When proper torque value has been achieved, the mechanism slips internally and over-tightening is impossible. 662933132205