How to choose a Padlock: Types And Features : Door Padlock
Quote from Article entitled How to choose a Padlock: Types And Features:
There are several types of locks according to their design:Open. This is a standard model, it is represented by the lock body, a hidden locking mechanism and a semicircular shackle, which can be removed completely or only from one side. It is very easy to break it with a crowbar or simply to cut the shackle.Advanced open model. The shackle just insignificantly protrudes over the body and is almost completely hidden in it, which gives extra protection from saw cut.Rectangular. Instead of the shackle, a straight rod is used; it is partially hidden in the body and the eyelets, which makes it very reliable.Enclosed (puck lock). The most reliable form of padlocks. The locking part is completely hidden in the body. In a certain position it even hides the eyelets, which makes it particularly resistant to breaking.
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