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.