Special Features:

Open end wrench head; 20mm size; black handle

Properties:

A manual tool for tightening various fasteners to a precise torque value. Consists of a handle and drive to accommodate female square drive sockets and other types of wrenching adapters. Torque value may be manually set and adjusted by user or may be provided as preset for production line use. A signaling device is generally provided to indicate when set torque value is reached. Handle is swung at right angle to axis of fastener rotation to apply torque. For items with handles that are spun in-line with axis of fastener rotation to apply torque, see screwdriver, torque.