Specification Brand : Multizenic BulletPoint1 : WIDE APPLICATION: Ideal for home trolley doors, wardrobe cabinets, large iron doors, curtains, and automatic equipment pulley assembly in factories. BulletPoint2 : sturdy MATERIAL: Made of -resistant alloy steel for high strength, easy cleaning, and long-lasting use. BulletPoint3 : HEAVY LOAD CAPACITY: Each four-wheeled trolley assembly can bear a load of up to 550lb, making it suitable for various heavy-duty applications. BulletPoint4 : SMOOTH AND QUIET OPERATION: Equipped with noiseless bearings to ensure smooth and silent operation, enhancing user experience. BulletPoint5 : STABLE AND SAFE DESIGN: Features a welded bearing and pin of 4 bearing for added stability and safety during use. Color : Orange ExternallyAssignedProductIdentifier : 7689750041032 IncludedComponents : No ItemName : Trolley Assembly 4 Wheel, Beam Roller for Curtain Sliding Door, Pulling Lifting Hoists Accessories, Alloy Steel Material, 550lb Load Capacity, Noiseless Bearings, Stable and Safe ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : beam-trolleys Manufacturer : Multizenic Material : Stainless Steel ModelName : Multizenicv3951rfcyt ModelNumber : Multizenicv3951rfcyt NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Multizenicv3951rfcyt ProductDescription : Item Type: Trolley Assembly Material: Alloy steel Color: Silver Application: Used for household movable door, wardrobe, large iron door, curtain, automatic equipment pulley assembly, factory track pulley