Open-end head with 9/16" square drive, Y-shaped stem

Characteristics
• The open-end head with 9/16" square drive fits interchangeable head torque wrenches with a "Y" 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) Y (0.560") Center of Fastener to Retaining Pin QYO Series: 3.00" Maximum Recommended Working Torque, ft-lb: 58 O.D., inches: 1-1/16" Size, inches: 9/16" Country of Origin: USA Head Depth, inches: 11/64" 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