49-Piece Sae And Metric Impact Socket Set With Extension Bars - For High HIGH DURABILITY - Crafted from CR-V material with a black phosphate finish, our socket set offers unbeatable hardness, corrosion resistance, and long-lasting performance in all environments. PRECISION ENGINEERING - Our deep and shallow metric tool sockets are perforated with high precision and chamfered, enabling greater torque and easy identification through laser marking. VERSATILE UTILITY - Perfect for automotive repairs, large equipment maintenance, and home decoration. Comes with 3" and 6" drive extension bars, 3/8" universal swivel joint, and a 3/8" to 1/2" impact adapter. COMPLETE VARIETY - This 49-Piece 3/8" Drive Impact Socket Set features both Standard SAE (5/16 to 3/4 inch) and Metric (8-22mm) sizes, fulfilling all your mechanic needs. ORGANIZED STORAGE - All socket and wrench tools are neatly organized in a durable plastic packout case, including point driver bits and a hex nut holder, for easy transport and retrieval.