Sockets have textured band for greater gripping power. Color band denotes SAE/Metric measurement for easy identification. CR-V, chrome-plated. Lifetime warranty. Includes fully polished 8" 72-tooth quick release ratchet with 5 deg (degree) swing for better performance in tight spaces, 6" extension, 6-point standard sockets in SAE sizes 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", Metric sizes 9 mm,10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 17 mm, 19 mm. Packed in a plastic storage rack.