A handle allows a door to be opened and closed. Combined with a lock, it becomes a security system. For the handle and lock to be effective as a means of protection, they must be combined with certain elements. Among the accessories that must be used with them, we find the squares. As spare parts or lock components, it is always useful to have some on hand.
A knowledgeable handyman knows this, but a person disassembling a lock for the first time will see a square metal rod connecting the two handles by passing through the lock. This square element is important for door and window handles. For the handles on both sides of the door to hold together well, the use of a drilled square metal rod is inevitable. This drilled rod is inserted into the corresponding space on the lock to allow the handles to be fixed in the holes protruding from both sides. For single-handle doors, one can use different models of square rods with heels that are only used on one side. In case the square rod inside the lock breaks, one can use square spare parts for the door handles. This way, you can repair the lock and handle without having to replace them.
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