Libraton Impact Grade Socket Adapter Set, 3" 6" 12", Drill Socket Adapter Multiple Specification: The Libraton impact grade socket adapter set includes 9 pieces of socket adapter extensions. They are in three speciations-1/4" 3/8" 1/2" and of three lengths-3" 6" 12". Different lengths of drill socket adapters can help you work in various spaces. All socket adapters can be organized in convenient holders. Wide Applicable: All drill socket adapters are of 1/4" Hex Shank, which can fit all quick-change systems and standard drill chucks. The socket driver adapter set can turn your impact drill driver into a power socket driver, ideal for both professionals and DIYs. High Quality: The impact driver socket extensions are made of premium chrome vanadium steel (Cr-V) and heat treated. With a rust-proof black phosphate coating, all drill socket adapters can achieve higher durability in any circumstances. Working Efficiency Guarantee: All 1/4" 3/8" 1/2" drill socket adapters are designed with retention balls, ensuring any sockets are firmly secured to the adapters when applying. Chamfered-edged design help to secure sockets into adapters smoothly. After-Sale Service Guarantee: Libraton Tools promise to offer each customer 100%-satisfaction after-sale service. Our service team will reply to any message within 24H and try our best to help solve any product problem. Please just let us know if you have any problem at any time.