Our Chains & Chain Padlock section features Heavy Duty Abus Chains, which can be purchased pre-cut or in custom sizes with or without a chain sleeve. We carry the Abus 6KS (1/4" Thick Chain), 8KS (5/16" Thick Chain), 10KS (3/8" Thick Chain), 12KS (1/2" Thick Chain) and the 14KS (9/16" Thick Chain).