ZWH1054 Features: * Wrench Adapter * Torque any fastener with a combination wrench or Allen wrench * Work with 6mm (1/4"") through 19mm (3/4"") combination wrenches * Works with 6mm through 8mm Allen wrenches * 3/8"" square drive is rated for a maximum torque of 90 ft-lbs * Comes with instructions that include a conversion table Color/Finish: * Heat-treated steel with black oxide finish