Features: This universally joint socket set featuring three versatile sizes (1/4", 3/8", 1/2") and a smooth ratcheting mechanism for effortless tightening in confined spaces. The innovative ratcheting design ensures seamless operations and precise torques control, with electric/pneumatic wrenches and manual tools makes it adaptable for diverse fastening tasks across automotive, machinery, and household applications. Designed for both professional mechanics and diyer enthusiasts, this industrial grade socket set with ergonomic handling, perfect for workshop repairs, equipment maintenance, or home improvement projects requiring precise in tight spaces. Tackle stubborn bolts in car engines, assemble furniture with hidden fasteners, or service machinery components effortlessly – these heat treated sockets deliver reliabled grip and flexibility even in hard to reach angles during automotive, industrial, or residential use. Optimized for longevity, resists wear and deformation under heavy loads, while the knurled surfaces enhances grip stability, ensuring this 3 piece universally joint socket set becomes an indispensable tool for complex mechanical challenges. Specifications: 1/4：43x15x6.26mm 3/8：55x18x9.5mm 1/2：70x23x12.5mm Color:Silver Package Includes: 3PCS ratcheting Joint Socket Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.