Square Corner 3.5 Inch Hinge Shim

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For corner hinges with 3 holes that measure 3.5 inches on each side, you'll need to insert one or more of these specialized shims between the door frame and hinge to minimize the gap between the strike plate and latch bolt. These shims can also be used to reposition doors that are sagging due to uneven settlement in the strike plate. To make this adjustment, simply add a shim to the upper hinge if the bolt is too high or to the lower hinge if it's too low. In addition, these shims can help resolve issues with doors that bind during closure, particularly when the last few inches of movement are restricted due to hinges being cut too deeply into the door frame. To ensure proper fitment, use a shim that is 1mm thick. If needed, you can install multiple shims or adjust the Z-axis setting for alternative thicknesses. To properly install these shims, begin by removing the center hinge screw from the affected corner. Next, loosen the upper and lower screws just enough to allow the shim to be inserted. Once the shim is in place, re-tighten all three screws securely.