Torque Head 55mm Open-End - Wrench Also fits STC650

Also fits STC650

Tooth Set: Alternate ground set

Bright red color for quick visual confirmation

the QYO28A is built to withstand long-term industrial use across manufacturing

Torque Head 55mm Open-End - Wrench Also fits STC650Williams 55mm Open End Torque Head (QZOM55ADP) The Williams QZOM55ADP 55mm Open End Torque Head is engineered for technicians who need precise, repeatable torque on large 55mm metric fasteners. Its heavy duty open end design provides strong, secure fastener engagement while maintaining accessibility in industrial and equipment service environments. Built to integrate seamlessly with Williams torque wrenches and torque meters, this interchangeable