Torque Wrench Heads have a High Performance Drive Configuration for Quick and Easy Wrench Engagement with Fastener Flats.
Torque Wrench Heads fit 4, 6 and 12 point fasteners, and the 12 point box end allows for fine indexing, helping to improve speed and access. Wrench heads are indexed to 7.5º to help keep shank clear of obstructions by allowing the user to flip the wrench over to continue turning the fastener. Countersunk on both sides allows for easy application to the fastener. Sizes are 12mm, 14mm, 17mm, 19mm, 21mm, and 21mm. Opening types are Box or Open. Torque"/LB Max range from 805 - 2400. Color finish is Black Oxide.