3/8 in. Drive SAE & Metric High Visibility Socket Set, 21 Pc.The wrenches in this socket set are constructed of rugged chrome vanadium for strength and durability. They are triple chrome plated and feature high visibility markings for quick socket wrench selection. The socket set comes complete with a quick release ratchet with reversible 72 tooth gearing and cushion grip. 72 tooth quick release ratchet with comfort grip High visibility socket markings Durable chrome vanadium construction