EX-507-B-4 Apex 3/8” Square Drive Adapter is a 4" (102 mm) ball‑lock adapter that converts a 1/2” square‑drive tool into a 3/8” square‑drive receptacle, with a 1/2" male square on one end and a 3/8" female square on the other. Built for durability, it is manufactured using a proprietary steel and heat‑treat process to deliver strength and wear resistance for repeated use. Apex markets square drive adapters for aerospace, automotive, and other heavy‑industry applications where reliable torque transfer is critical.
