Specification Brand : Respicefinem BulletPoint1 : Noiseless Bearing:The Car Assembly Adopts Bearing To That You Run Smoothly Without Any Noise BulletPoint2 : Practical Old Fashioned Accessories:This Product Contains Old Fashioned Hanging Wheels And Pulley Accessories, Which Have Load Bearing Capacity And Durability And Adapt To The Use Needs Of Various Tracks And Sliding Doors, Making Your BulletPoint3 : Load Bearing And Resistant:With Load Of 550Lb, Each Four Wheeled Trolley Assembly Is Crafted From Resistant Alloy Steel For Durability And Strength BulletPoint4 : Noiseless Bearings:Trolley Assembly Uses Bearings To That You Operate Smoothly Without Any Noise, Convenient And Efficient Trolley Assembly For Lifting And Pulling Heavy Curtains BulletPoint5 : Versatile Usage For Home Trolley Doors, Wardrobe Cabinets, Large Iron Doors, Curtains, And Factory Track Pulleys Color : 4 Rounds Configuration : Refer to description CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 7403712450171 Flavor : Fig GenericType : Refer to description HandOrientation : Refer to description IncludedComponents : Refer to description ItemDisplayWeight : 39.37 pounds ItemForm : Refer to description ItemName : Respicefinem Trolley Assembly Roller 9.0×8.0×5.0 Trolley Assembly 4 Wheel Beam Roller Curtain Sliding Door Pulling Lifting Hoists Accessories Trolley Assembly Roller Bearings ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemShape : Refer to description ItemTypeKeyword : beam-trolleys Manufacturer : Respicefinem Material : alloy steel ModelName : Respicefinemfd2k3v94ce ModelNumber : Respicefinemfd2k3v94ce NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Respicefinemfd2k3v94ce Pattern : Refer to description 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