Specification Brand : Ylwxzenith BulletPoint1 : WIDELY USED: Ideal for Home Trolley Doors, Wardrobes, 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 Performance. BulletPoint3 : LOAD BEARING CAPACITY: Each Four-Wheeled Trolley Assembly Can Bear up to 550lb, Making it Suitable for Heavy-Duty Applications. BulletPoint4 : SMOOTH AND QUIET: Equipped with Noiseless Bearings to Ensure Smooth Operation without Any Noise, Providing a Pleasant User Experience. BulletPoint5 : STABLE AND SAFE DESIGN: Features Welded Bearing and Pin for Added Stability and Safety, Ensuring Use in Various Settings. Color : Orange IncludedComponents : Electric Hoist Manual Trolley 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 : Ylwxzenith ModelName : Ylwxzenithfubhr23peg ModelNumber : Ylwxzenithfubhr23peg NumberOfItems : 1 PartNumber : Ylwxzenithfubhr23peg 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