Open-end head with 1/2" square drive, J-shank

Characteristics
• The open-end head with 1/2" square drive fits interchangeable head torque wrenches with a "J" shank
• Interchangeable heads allow for torque capacity with adjustable torque wrench bodies
• Designed for use with CDI preset and adjustable interchangeable head torque wrenches
• Matches Shank Size Head Size with the same shank size of the wrench to be used with Specifications Shank (Diameter) J (0.425 in) Center of Fastener to Retaining Pin QJO Series: 2.50 in Maximum Recommended Working Torque, ft-lbs 34 Outside Diameter, in 1-1/16 Size, in 1/2 Country of Origin USA Head Depth, in 1-1/64 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