When you really want to keep whats yours - this is the lock to use. The strongest case hardened,tempered boron manganese chain with 11mm hexagonal shaped links and paired with the highest security NY disc lock with case hardened 1/2" Kryptonium steel shackle for maximum resistance to attack. Covered with black nylon webbing to prevent damage to paint. 3Ft. 3 In. Availability: Usually ships the same business day. "FAHGETTABOUDIT" BIKE CHAIN W/ LOCK 306.420Regular price: $129.95Sale price: $109.95