Titan Tools 12082 3-Piece Socket Adapter Set (1/4", 3/8" and 1/2") Adapters allow use of sockets with power drills and drivers Includes 3/4, 13/16, & 7/8" drive impact grade adapters Adapters have a 1/4" shank 2-3/4" Overall length Each adapter features a detent ball for secure socket retention