2 Pcs 1/2 Inch Drive Universal Joint Socket Coupling Steering Connector Adapter Cr-V Steel

* Made of drop forged chrome vanadium steel. * Polished chrome-plated finish easily wipes clean and is highly resistant to corrosion. * Beveled drive end helps guide extension smoothly onto drive tool * Four detent grooves provide a secure connection with the drive tool. * When space is limited it increases your access and gives you a better angle by working around obstructions and into tight spots. * Corners inside drive avoid stress concentrations that can cause cracking. * Wide application in DIY hand-making household maintenance and most general repairs suitable for use with hand tools and is not recommended for use with electric or air tools