Notes: 1. Mortise and tenon lock open: only rotate the horizontal bar forward to adjust the horizontal bar distance. 2. Mortise and tenon lock closed: fix the horizontal bar and prevent it from loosening. 3.When installing the horizontal bar, you need to understand the installation environment first. It is not supported on hollow doors, glass doors, hollow tiles, wallpaper, wall cloth, painted walls, and hollow walls. Please choose solid walls or door frames for installation and use; .
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