How to use: 1. Simply drill the pilot hole and place it into the drywall anchor. 2. Then screw the bracket into the anchor. 3. There is a screw on the side of the bracket to tighten the rod to prevent the rod from slipping. Package includes: 4 x open socket 12 x fixing screws 12 x adjustable screws Note: Due to manual measurement, please allow 1-3mm error. Thank you for your understanding.