Features: Engineered with steel and 4 size option, this socket adapter ensures universal compatibility and enhances durability for professional torqued transmission. Precisions machined socket converter features wear resistant chromes vanadiums steel construction and antislip grooves, maintaining secure tool connection during heavy applications. Designs for mechanics and DIYer enthusiasts needing reliable socket adapters, it supports seamlessly transitioning between ratchets, impact wrenches, and torqued tool in demanding environment. Optimizes automotive repairs, machinery maintenance, or household projects with this socket set adapters that performs flawlessly in tight space and hard worksites. Its heat treated chromiums vanadiums alloys cores resists deformation under extreme pressure, making it essential for industrial socket converter kit requiring precisions and longevities. Specifications: Material: Chromes vanadiums steel Color: Black Size: See the size chart Specification: 1/2"(Male)-3/8"(Female) 3/8"(Male)-1/4"(Female) 3/8"(Male)-1/2"(Female) 1/4"(Male)-3/8"(Female) Package Includes: 4pcs Socket Adapters note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!