About 1/4-Inch Drive Drill Socket Adapter/Extension Set. Suitable for Quick Change 1/4inch Chuck Systems or Directly into Drill Chuck. Turns any power/cordless drill into a power nut driver. Handy for Fast Driving of Nuts, Bolts and Fixings, etc. Spring Loaded Ball Bearing on Holds Sockets Securely. Widely used in home DIY, carpentry, auto parts, specializing in machine repair and so on. All Sockets Standard 1/4inch Hex Shank. Use with power drill and impact drivers. Don't use with paeumatic and hammer tools. Due to the tool's structure, please avoid humid environment. Please wipe off water and store 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 power tool. Convenient Storage Case - keep your 360-degree socket adapters neatly organized in your tool drawer. Versatility - use them with any cordless drill or high-torque impact drill without skipping a beat! Durability - our swivel adapters are made from industrial-grade, heat-treated -V steel for maximum durability. perfect for - our secure swivel joint hex shank socket adapters are perfect for automotive repair, home improvement, house maintenance and even DIY projects. treatment: chrome plating Shank diameter: 1/4 hexagonal handle Square : 1/4 (6.35mm), 3/8 (9.5mm), 1/2 (12.7mm) Length: 52mm, 55mm, 59mm Sizes included: 1/4-inch Hex x 1/4-inch Drive 1/4-inch Hex x 3/8-inch Drive 1/4-inch Hex x 1/2-inch Drive Material:steel colour:Silver Package Contents: 2 x (1/4inch hex shank to 1/4inch socket)360 Rotatable Socket Adapter 2 x (1/4inch hex shank to 3/8inch socket)360 Rotatable Socket Adapter 2x (1/4inch hex shank to 1/2inch socket)360 Rotatable SocketAdapter 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.