Square Chain Cross-Section: 2/5 Inch x 6.58 Feet. The heavy-duty chain lock cross-sections are square, with a larger cross-section area and greater shear strength than regular round and hexagonal cross-sections. Therefore, it cannot be easily cut by wire cutters or any other hand tool.
High Security Locks: The security chain and lock kit is fixed with a durable lock, which is not easy to be broken and has high security. In addition, the lock core of the chain is made of pure copper material, which has the performance of rust prevention and bacteriostasis.
Hadfield Steel Material: Heavy-duty motorcycle lock is made of high-strength Hadfield steel material, which effectively withstands adverse working conditions. The chain surface is galvanized to harden the surface, which has rust and wear resistance advantages.
