Uxcell a14110600ux0744 100mm Length 13mm Hex Socket Nut Setters Driver Bit Power Tool (2 Piece) Product Name : hex nut driver; hex socket size : 13mm / 0.5" Shank tip size : 7mm / 0.3"; overall size : 19 x 100mm / 0.75" x 4" (max d*l) Color : Gray; material : metal Weight : 168G Package : 2 x hex nut driver