Heads for TBIH Interchangeable - SAE - 5/16" Box End - Wrench Auto is a high-quality tool

Auto is a high-quality tool designed for HVAC professionals who frequently use nylon cable ties

A 13-piece 3/8" drive 12-point SAE deep socket set in 1/4"-1" — built for mechanics and maintenance techs who need deep reach and 12-point engagement on a 3/8" drive

Westwood 357F

and fluid-handling systems where accuracy is critical

Finish: Nickel-chrome coating resists corrosion and wear

Heads for TBIH Interchangeable - SAE - 5/16" Box End - Wrench Auto is a high-quality tool068126W Williams Interchangeable Head for TBIH SAE 5 16" Box End The Williams 068126W Interchangeable 5 16" Box End Head is engineered for precise, controlled torque on small SAE fasteners. Built for seamless compatibility with Williams TBIH series torque wrenches, this box end head provides full surface contact for secure engagement, reduced fastener rounding, and consistent, repeatable torque accuracyideal for assembly, maintenance, and mechanical