(15 mm), 5/8 In.
The universal design fits 6 fastener types (hex, square, 12pt, E-Torx, partially rounded hex, spline) this set includes 10 universal combination sockets that fit both standard and metric fasteners: 3/8 In. (12 mm), 1/2 In. (16 mm), 11/16 In. These are corrosion resistant black-phosphate finish and packaged in a convenient storage tray.