• Transform any drill into a power nut driver with these three impact grade steel square socket adapters: 1/4, 3/8, and 1/2"
• All 3 have built in detent balls to help hold your sockets in place during use
• 6" x 1/4" hex head flex extension bar has free spinning collar and detent ball to hold bits securely in place
• The included quick change adapter fits any brand of drill to help you easily switch between all hex shaft drill and driver bits