High Quality: Super Strong Heat Treated Chrome vanadium steel for Normal Impact Drivers. Detent ball on each adapter for secure socket retention.Please kindly notice, when using tools with socket adapter, torque Less than equal 50 Nm.Size: 1/4 inch , 3/8 inch and 1/2 inch drive adapter each with a 1/4 inch hex shank/driver bits fits all quick-change drill chucks system as well as standard drill chucks. Sockets Snap-On Tightly Wont Slip Off.Application: This adapter set is designed to provide a securely locked in extension to your existing tool. Provides additional length to reach into a multitude of hard to reach spaces. The spring ball lock ensures a tight fit into the driver head to prevent slipping during use. Specifically machined to fit securely into a hand held driver, drill driver or impact wrench.Multifunction: Used in the installation of pneumatic screwdriver, electric screwdriver, pneumatic drill, manual screwdriver and other installation for the hexagonal tool .It is a good accessory for conversion.Colourfull design: Different colour coded rings, make it easy to pick the right one.color: blue +red +yellowMaterial: Chrome vanadium steelAll Sockets Standard 1/4 inch Hex ShankSize:(1/4 inch hex shank to 1/4 inch socket)Socket Adapter,length about 65mm(1/4 inch hex shank to 3/8 inchsocket)Socket Adapter,length about 65mm(1/4 inchhex shank to 1/2 inch socket)Socket Adapter,length about 72mmPackage Contents:1 X (1/4 inch hex shank to 1/4 inch socket)Socket Adapter1 X (1/4 inch hex shank to 3/8 inch socket)Socket Adapter1 X(1/4 inch hex shank to 1/2 inch socket)Socket AdapterOnly the above package content, other products are not included.Note: Light shooting 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.