Color band denotes SAE/Metric measurement for easy identification. Textured bands offer improved grip. Chrome vanadium steel. Lifetime warranty. Includes 19" round head ratchet, 19" flex handle, 4", 8", and 16" extension bars, 18" sliding T-bar, 12-point sockets in sizes: 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-3/16", 1-1/4", 1-5/16", 1-3/8", 1-7/16", 1-1/2", 1-5/8", 1-3/4", 1-13/16", 1-7/8", and 2". Packed in a plastic case.