Open-end head with 3/8" square drive, J-shank

Characteristics
• The open-end head with 3/8" 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
• Match the shank head size to the same shank size as the wrench it will 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. OD 18, 25/32 in. Size, 3/8 in. Country of origin: USA. Head depth, 11/64 in. 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