Vertical shackle clearance is greater than 1". Choose these locks if you need several locks that open with the same key. If the lock or key with the key number you want isn’t listed, order the "Other Key Numbers" and specify your desired key number.

Hardened steel shackles are stronger than steel shackles.

Pin-tumbler key locking mechanisms are harder to pick than disc-tumbler locking mechanisms. When choosing between padlocks with four or five pins, the lock with five pins is harder to pick.