Open-end head with 13/16" square drive, X-shaped stem

Characteristics
• The 13/16" square drive open-end head fits interchangeable head torque wrenches with "X" shank
• Interchangeable heads allow for torque capacity with adjustable torque wrench bodies
• Designed for use with CDI preset and adjustable interchangeable head torque wrenches
• Match the shank size of the head to the same shank size as the wrench it will be used with. Specifications Shank (Diameter) X (0.735") Fastener Center to Retaining Pin QXO Series: 4.50" Maximum Recommended Working Torque, ft-lb 164 O.D., inches 1-23/32 Size, inches 13/16 Country of Origin USA Head Depth, inches 3/8 Finish Industrial Finish Warranty Lifetime warranty, non-repairable, guaranteed for materials and workmanship/while the purchaser owns the tools. Warnings For complete warning information, see CAT1600 pages W1-W4