Spring-Loaded Detent Ball System - securely and firmly fit your impact sockets to your . Convenient Storage Case - keep your 360-degree socket adapters organized in your tool drawer. Versatility - use with any cordless drill or high- impact drill without skipping a beat! Durability - swivel adapters are made from industrial-grade, heat-treated material for maximum durability. Perfect for - secure swivel joint hex socket adapters are perfect for automotive repair, , house maintenance and even DIY projects. Note: 't use with paeumatic and hammer tools. Due to the tool's structure, avoid humid environment. wipe off water and it in a dry and ventilated place to extend the tool life after use. Length: 52mm, 55mm, 59mm colour:Silver Material:steel Package Contents: 1 x (1/4inch hex to 1/4inch socket) Rotatable Socket Adapter 1 x (1/4inch hex to 3/8inch socket) Rotatable Socket Adapter 1 x (1/4inch hex to 1/2inch socket) Rotatable Socket Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.