kingwolfox tactical scope mount for 20mm scope kingwolfox user's guidance:<br> 1 by turning the compression lock latch completely to the left.<br> 2 depress the spring-loaded lever.<br> 3adjust the fixing nut (with notch) for incremental adjustment to adjust the scope bracket.<br> <br> precautions:<br> 1 do not overtighten the mount. if it cannot be closed with moderate force, it means that it is too tight and you must retreat and readjust the notched adjustment nut.<br> 2 there is also a fixed "plate" to prevent the locking latch from loosening. once it is firmly fixed in your satisfactory position, the plate should be tightened.<br> 3 there is also an opening bolt to prevent the scope from loosening.<br> <br> tips:<br> it is recommended that you use all screws and nuts after installing the scope correctly. this may take time for you to make correct adjustments that are not too tight. if it is loose, you will know immediately. too tight to lock the latch.<br>