The new Hyper Tough 3-piece fast connect socket adapter set is a must have power tool accessory for every tool bag. These rugged adapters are made from chrome vanadium steel and heat-treated for extra strength, durability and long life. The sandblasted finish is smooth and the addition of the spring-loaded ball bearing hold sockets firmly in place. The 1/4-inch hex shank adapters add versatility to any power drill and convert it to a socket driver. The 3 adapters consist of 1/4-inch, 3/8-inch and 1/2-inch drive for versatility and connecting sockets of all sizes. It is an ideal set for fast easy driving of nuts, bolts and hex head screws. The hex shank hold firmly in a drill chuck and can be quickly changed when using an impact drill. Be sure to review the full line of Hyper Tough power tools and power tool accessories for all your project needs. Socket adapter set for power drill /driver, chrome vanadium steel, fits 1/4-inch, 3/8-inch and 1/2-inch sockets, 1/4-inch hex shank. Drill bit and set type.