Shackle is concealed to make it difficult to cut. 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. Stainless steel-body locks are more corrosion resistant than steel-body locks, but are not as strong.

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

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