Please email us first if you have any questions. Thank you so much. Advantage: - Unique design, can be completely flat on the floor, no need to drill holes in the floor and doors, quick installation. - Screws to fix the pendulum to the wall, flush with the damper to prevent damage to the sliding door by friction - 6 adjustment modes are available for stable gates of different sizes and designs. - Adding a self-adhesive strip can avoid the friction between the roller and the door, and there will be no noise. Description: The color black. Easy to install Silent, robust and high quality carbon steel trolley. Space Saving: Makes your room more spacious without the usual door opening. INDUSTRIAL STYLE: Add an industrial, modern or rustic look to any room with this large spoke wheel kit. W Use: al for kitchen, storage room, bedroom, closet, warehouse, mudroom, wine cellar, etc. Feature: Stainless steel rails, heavy duty. Universal use for material thickness of 35-45 mm. Loadable up to a maximum of 150 kg. 183cm sliding door system Suitable for door width up to 900mm; High quality ball bearing trolley. Technical specifications: Length: 183cm 2 x lever protected bracket: M10X60, length: 35 - 45 mm The color black Material: metal Scope of delivery: 1 * Sliding door assembly kit 1 x mounting accessory kit