Stanley Proto J47116 25 Piece 6 Point 1/4" Drive Socket Set Includes: 10 Standard and 10 Deep Fractional sized 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