6Pcs Impact Socket Adapter Set,1/4" 3/8" And 1/2" Drive, (3" And 6") Extension ?6PCS Impact Socket Set?3Pieces-3inches and 3Pieces-6inches impact grade socket adapter set include 1/4", 3/8", and 1/2" Drive Socket extension. Xtended Torsion Zone helps to absorb high-torque of new impact drivers, 10X life over standard. ?Hex Socket Extension Drivers?This set of hex socket drivers makes it easy to remove and install lag bolts or hex fasteners with your power drill quickly. ?Industrial Quality Materials? This adapter set made of heat treated Chrome Vanadium steel and the black phosphate coating treatment that provides strong corrosion resistance, prevents rusting, and increases wear resistance. ?PERFECT TOUGHEST JOB? The spring-loaded locating ball design which will ensure a tight and secure fit, ensuring stability during use,makes your work easy. ?Widely Use?This sockets extension set to fit the majority of driver tools on the market, including impact drills, electric drills, cordless drills, electric screwdrivers, ratchets, and wrenches. The drill extension adapter is color-coded for easy identification and comes in 3 sizes to make them compatible with different types of sockets.