Universal socket set. Use with E-Torx, Square, 6 Point, 12 Point, 6 Point Rounded, and Spline fasteners. Color band denotes SAE/Metric measurement for easy identification. Textured bands offer improved grip. Chrome vanadium steel. Lifetime warranty. Set includes 1 each universal SAE 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" and universal Metric 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 17 mm, and 19 mm. Also includes 72T 3/8" drive ratchet handle and 6" 3/8" drive extension.