The material from which the container locks are made. Most often we are talking about fasteners that close a case or drawer, but sometimes this information is indicated for fasteners in bags, backpacks, etc. The main materials for their manufacture are:
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Plastic. Plastic is inexpensive, but in general it is inferior to metal in terms of strength and reliability. However, often these moments do not play a decisive role (or are compensated by design features - for example, the large thickness of individual parts).
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Metal. Metal locks are very durable and reliable, but they are more expensive than plastic ones. Tool boxes and containers made of almost any material can be equipped with such locks.
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Plastic with metal. This combination is not uncommon in the design of tool boxes and containers. As a rule, the locking bracket of the lock is made of metal, which bears the main load in the locking mechanism, and the “tongue” is made of plastic.
