For added security, locks have specially designed keys that cannot be duplicated and cannot be removed when the lock is open. Choose these locks if you need several locks that open with the same key.

Stainless steel-body lock is stronger and more corrosion resistant than brass-body locks. It has a concealed shackle to make it more difficult to cut.

Stainless steel shackles are more corrosion resistant than hardened steel shackles, but not as strong.

Disc-tumbler key locking mechanisms offer good pick resistance. When choosing between padlocks with seven or eleven discs, the lock with eleven discs is harder to pick.

For technical drawings and 3-D models, click on a part number.