Heavy-duty outdoor combination locks, [weatherproof] 51.5 mm large 4-digit code lock with 8 mm thick 304 stainless steel chain

【Large padlock inside and outside, heavy duty.】Large, heavy-duty lock measuring 51.5 x 24 x 102mm (L x W x H), with a thick 8mm diameter chain [NOTE: Please ensure the chain diameter is compatible with your lock], weighing 210g. This maximum-security combination lock is designed for indoor and outdoor use on doors, garages, sheds, fences, gates, schools, gyms, staff offices, etc. It provides superior protection and security against theft.【High quality and weather resistant】The waterproof combination padlock is made of high-strength zinc alloy that is rustproof and weather-resistant. The padlock is constructed with a zinc body and reinforced bumper for strength and reliability, and a hardened 304 stainless steel chain for cut resistance. It has undergone over 180 hours of salt spray testing to prove its resistance to harsh conditions.【4-digit combination lock】Unlike the 3-digit combination, it provides 10,000 code combinations, making it more difficult and secure than the previous version. Furthermore, the 4-position metal combination wheel lock is strong enough that it cannot be removed or broken by human force. You no longer need to worry about security.【Hidden password】The password is located at the bottom of the lock, which improves concealment. The default password is 0000. Each combination lock comes with clear instructions in the envelope bag. Setting or resetting your own combination is simple and easy to use. Not complicated at all.【Double Snap Design】Thanks to the locking chain, the two snaps can be firmly wedged, effectively improving the security of the lock and reducing the risk of it being picked up and cut.