Made of CR-V steel for strength, durability, rust and corrosion resistance.        
Fits all 1/2" drive ratchets and socket sets, perfect for automotive, mechanical, and DIY applications.        
Precision-machined joints ensure smooth rotation and minimal play under high torque.      Gain access to fasteners hard to reach and changing angle of force, save both time and labor. Jetech U-Joint could be used under various situations, such as car, bike, all kinds of mechanical maintenance.