About 1/4-Inch Drive Drill Socket Adapter/Extension Set. Suitable for Quick Change 1/4inch Chuck or Directly into Drill Chuck.Turns any power/cordless drill into a power nut driver. for Fast Driving of Nuts, Bolts and Fixings, etc.Spring Loaded Ball on Head Holds Sockets Securely. Widely used DIY, carpentry, auto parts, specializing in machine repair and so on.All Sockets Standard 1/4inch Hex . Use with power drill and impact drivers. 't use with paeumatic and hammer tools.Due to the tool's structure, please avoid humid environment. Please wipe off water and it in a dry and ventilated place to extend the tool life after use.360-Degree Range Of Motion - reach any tough spot thanks to the 360-degree rotation mechanism.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-, heat-treated -V steel for maximum durability.perfect for - swivel joint hex socket adapters are perfect for automotive repair, , house maintenance and even DIY projects.Surface treatment: chrome plating diameter: 1/4 hexagonal handleSquare head: 1/4 (6.35mm), 3/8 (9.5mm), 1/2 (12.7mm)Length: 52mm, 55mm, 59mmSizes included:1/4-inch Hex x 1/4-inch Drive1/4-inch Hex x 3/8-inch Drive1/4-inch Hex x 1/2-inch DriveMaterial:Chrome vanadium steelcolour:BlackPackage Contents:1 x (1/4inch hex to 1/4inch socket)360 Rotatable Socket Adapter1 x (1/4inch hex to 3/8inch socket)360 Rotatable Socket Adapter1 x (1/4inch hex to 1/2inch socket)360 Rotatable Socket AdapterOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.