6pcs Drill Socket Adapter Converter 1/2 1/4 3/8 Size Hex Shank to Square Head Drill Bits Bar Extension Rod Power Tools SetFeature:Turn any electric drill into a power wrench, and the sturdy spring ball bearing holds the socket firmly in place without slipping off. Made of corrosion-resistant chrome vanadium steel, it has a long service life and can handle the most difficult tasks. The hexagonal shaft saves the time of replacing with an electric drill, and saves time compared to the traditional manual nut driver. The hardened and treated chrome-vanadium steel alloy of the kit has excellent strength and durability, and prevents peeling during high-speed drill operations. Application: Very suitable for hobbies, hardware, car repairs, etc. at home, workshop or warehouse. Specification:Material: Chrome vanadium steelType: 1. There are three pieces with a length of 150mm, and the head specifications are: 1/4, 3/8, 1/22. A length of 73mm, the head specification is 1/23. Two pieces with a length of 65mm, the head specifications are: 1/4, 3/8Packing size: 190*90*20mmNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 6 X Socket Rods