Extra Deep Bi-Hex Socket (Long Version, 3/8″ Drive) — Bi-hex socket with AS-Drive profile, 3/8″ internal square drive. Made from HPQ® high-performance steel with chrome-plated finish. Compliant with ASME B 107.1, Fed. Spec. GGG‑W‑641, and SAE AS 954‑E for professional-grade strength and reliability.








