The DieHard DHP55114 (3/8" Drive) 11pc SAE/Metric Brake Caliper Bit Socket Set is a high-quality set of sockets designed for automotive use. With both SAE and metric measurement systems, this set includes 11 pieces to meet a variety of needs. The chrome surface finish ensures durability and resistance to wear, while the 3/8" drive size provides a secure fit for easy use. Backed by a lifetime warranty, this DieHard set is a reliable and essential tool for any auto mechanic or DIY enthusiast.