The Performance Tool Universal Spline Design Socket Set is the perfect addition to your toolkit. With a tighter fit on proper size fasteners, this set ensures better tightening and works on SAE/MET sizes, 6pt, 12pt, external star, and square. The black phosphate finish with polished edges makes it easy to read sizes, reducing errors and speeding up work. Made of chrome vanadium alloy steel construction, this socket set is strong and durable, ensuring long-lasting use. The set includes 10 pieces of sockets in both Metric and SAE sizes ranging from 6 (1/4) to 19mm (3/4), making it a versatile set for various applications. The convenient storage rack keeps the sockets organized and readily accessible. Note: check fastener for proper fit before use due to varying tolerances. Get your hands on this high-quality socket set today!