Features:* * Made of material, and practical to use * Sturdy and : powder coated, iron construction * Save space: make your room look more spacious * Suitable for cabinets, etc.* Sliding wheel: for smooth and quiet operation * No ground socket guide: clamp in the middle of the door or at the bottom of the door * Socket: connecting rail and cabinet, with screws in the middle* Retainer: installed at both ends of the track to prevent the pulley from moving out of the track* Easy to fit: suitable for your home style, be it American Nordic Japanese style or rustic modern minimalist styleSpecifications:Material: Carbon SteelSurface: Black to powder coatedDoor Weight: 70lbDoor Thickness: 0.63'' to 0.78'' Package Contents:2x Rollers2x End Caps2x Floor Track4x Screws with nutsNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.