Guard Security 968 Heavy Duty Hardened Steel Square Link Bike Chain THE ULTIMATE IN SECURITY: If youre really trying to protect your bikes or other possessions the Guard Security Chain is the top of the line in protection. It provides security for even those hard to lock up possessions, protected from prying, sawing, and cutting. PROTECTED FROM DAMAGE: Other chains or locks expose links and hardened steel to your bike. This chain is covered with heavy weight canvas/nylon blend to prevent scratching. Its perfect for your most valuable bikes and property protected from theft and damage all in one. HEAVY DUTY WELDED LINKS: Average chains can be pried open and weaker metals can be vulnerable to bolt cutters. The Guard Security Chain is made with hardened steel square links that are professional welded for superior pry resistance making it the best choice for your property. TESTED AND ENSURED QUALITY: Every Guard Security Padlock is individually tested at the factory to ensure smooth performance before packaging. Guard Security keyed locks come with rust resistant brass keys and use common keyways for duplication. PRODUCT SPECIFICATIONS: Package contains (1) Guard Security 968 Heavy Duty Hardened Steel Square Link Bike Chain. Heavy duty 3 ' x 3/8" hardened steel square link chain. Heavy weight canvas/nylon blend prevents scratching. Provides security for hard-to-lock-up possessions. Welded links for superior pry resistance. Lifetime warranty.