Instructions: 1. Maximum weight weganing of the shower room: 65kg. 2. 180° maximum installation length is 1.8m, 90° dual-open door maximum installation length is 1.0m. 3. There are no drilled holes in the guide rails ordered by users. Holes shall be made during installation. 4. The accessories are only suitable for clamping 8mm-10mm glass. 5. When drilling holes in glass, please do strictly in accordance with dimensions in the installation diagram. 6. Every type can install 90° dual-open, 90° single-open and 180°.