High Quality: High quality carbon steel, frosted black surface, water proof, rust proof; The wheel of hanger is made of high quality nylon, super quiet and protect the trackStrong Bearing Capacity: Aviation-grade guide rails, rigid plate-like structure, load-bearing capacity is 2 times stronger than ordinary guide rails, the maximum door weight is 150kgSuitable Scenarios: These sliding door fittings are very easy to install and are suitable for bedrooms, studies, dressing rooms, kitchens, wardrobes, cupboards, farm buildings, etcEasy to Install: These sliding door rail Simple installation manual, step-by-step detailed instructions, accurate measurement, you can easily install it, customer service online to answer your questionsQuality Control: Our sliding door track through strict quality control and careful packaging, avoid shipping scratches; Professional customer service team will help you solve any problems in timeSpecifications Material: Carbon Steel Style: European Item weight: 3.8 Kilograms Number of Items: 1 Number of Packs: 1 Unit Count: 1.0 count Included Components: Hook plates, rails, parts