Electric Drill Socket Adapter, Set of 3, Wrench, Replacement Driver, Impact Driver, Repair, DIY, Attach sockets with various tips angle and tighten and remove bolts and nuts. Can be used with electric driver, air drill, and manual screwdriver. 3? Sold as a set. 1/2: 5.0 inches (12.7 cm), 3/8: 3.7 inches (9.5 cm), 1/4: 2.5 inches (6.35 cm).