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.<br> 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 & 't Off.<br> 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.<br> 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.<br> Colourfull design: Different colour coded rings, easy to pick the right one.<br> color: blue +red +yellow<br> Material: Chrome vanadium steel<br> All Sockets Standard 1/4 inch Hex Shank<br> Size:<br> (1/4 inch hex shank to 1/4 inch socket)Socket Adapter,length about 65mm<br> (1/4 inch hex shank to 3/8 inchsocket)Socket Adapter,length about 65mm<br> (1/4 inchhex shank to 1/2 inch socket)Socket Adapter,length about 72mm<br> Package Contents:<br> 1 X (1/4 inch hex shank to 1/4 inch socket)Socket Adapter<br> 1 X (1/4 inch hex shank to 3/8 inch socket)Socket Adapter<br> 1 X(1/4 inch hex shank to 1/2 inch socket)Socket Adapter<br> Only the above package content, other products are not included.<br> 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.