Application It's ideal for the elderly, pregnant women, handicapped, or those recovering from injury or surgery. It's suitable for barrier-free facilities or family toilets in public places such as bathrooms, hospitals, nursing homes, welfare houses, disabled activities centers, and hotels. How to Install 1. Confirm the installation height according to the user. 2. Confirm the position and mark the drilling position. 3. Punch holes at the marked place (drill diameter 0.31in). 4. Screw out the screws and nuts first. 5. Then screw the screws and nuts to the back plate in turn. 6. Tap the screws into the holes in turn. 7. Tighten the screws with an Allen key.