Screw-in hooks have 1 conclusion screw-shaped and the opposite finish bent. To install these hooks, You should drill pilot holes inside the partitions. Screw hooks can be used for hanging curtain panels within the ceiling. These hooks are just like and performance the same as window blinds brackets. Inspired from https://curtain-hooks-types-in-us45555.blogofchange.com/29883991/not-known-details-about-types-of-curtain-rail-hooks