Featuring a auto locking mechanism and quick positioning systems, this lightweight 40CR V alloy steel extension ensures secure tool attachment and installation, weighing just 33 grams for easy handling This double use socket extension adapts to both bits and sockets, offering versatile compatibility for various repair tasks and enhancing tool flexibility with its innovative design Ideal for professional technicians and craft enthusiasts, this hand tool accessory provides safe in demanding applications Perfect for electronics repair, furniture assembly, and automotive maintenance, this socket extension fits multiple scenarios from home workshops to outdoor job site Its compact and portable design allows effortless storage in toolboxes or pockets, optimizing efficiency and saving time during operations, Manufacturer: SHINLHUA