Stanley Proto J47112 15 Piece 6 Point 1/4" Drive Socket Set,Stanley Proto,J47112" /> Includes: 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2", and 9/16" Sockets, Universal Joint, 2 Extentions, Ratchet, Socket Driver and Set Box Helps minimize fastener rounding and extends fastener life Turns worn, rounded and rusted fasteners more easily Engages to the fastener flats, not the corners Minimizes slippage