Specification Brand : uxcell BulletPoint1 : [Package and Size]: Wheel Size: 68x29mm / 2.68x1.14inch (Dia*Width); Total Width: 47mm / 1.85inch; Height: 109mm / 4.29inch; Installation Diameter: 33mm / 1.3inch; Installation Length: 19.5mm / 0.77inch; Package List: 4Pcs x Sliding Gate Wheels BulletPoint2 : [Material]: The sliding gate wheel is made of solid steel material. The thickening process enhances the carrying capacity of the pulley, which is resistant to extrusion, impact, corrosion, and wear BulletPoint3 : [Rotatable Design]: The v-groove casters have a rotatable stem that allows the wheels to rotate 360 degrees. Whether your door is hinged or sliding, this wheel can make it more flexible and easy to use BulletPoint4 : [Smoothly and Quietly]: The precision steel bearings enable the rollers to rotate at high speeds more quickly and quietly, sliding smoothly and easily opening the door without making noise or damaging the track BulletPoint5 : [Wide Application]: The rotational v-groove caster has a strong load capacity and a wide range of applications. It is suitable for all kinds of home sliding doors, revolving doors, wooden fences, industrial carts, shelves, and industrial machines, etc Color : Gold ExternallyAssignedProductIdentifier1 : 0768745599219 ExternallyAssignedProductIdentifier2 : 768745599219 IncludedComponents : Ball Bearings ItemName : uxcell 2.7 Inch Sliding Gate Wheels, 4Pcs 360-Degree Rotatable V Groove Caster Pulley Block with Bracket for Track Rail Sliding Gate Industrial Machine, Gold ItemPackageDimensions_Height : 4.92 inches ItemPackageDimensions_Length : 9.84 inches ItemPackageDimensions_Width : 7.87 inches ItemPackageQuantity : 4 ItemTypeKeyword : plate-casters LoadCapacity : 50.00 grams Manufacturer : uxcell Material : Steel ModelName : NABJAUZZJ ModelNumber : C0020120ZN-POL01-KK MountingType : Plate Mounted NumberOfBoxes : 1 NumberOfItems : 4 PartNumber : a25011100ux1121 ProductDescription : Description: [Material]: The sliding gate wheel is made of solid steel material. The thickening process enhances the carrying capacity of the pulley, which is resistant to extrusion, impact, corrosion, and wear. [Rotatable Design]: The v-groove casters have a rotatable stem that allows the wheels to rotate 360 degrees. Whether your door is hinged or sliding, this wheel can make it more flexible and easy to use. [Smoothly and Quietly]: The precision steel bearings enable the rollers to rotate at high speeds more quickly and quietly, sliding smoothly and easily opening the door without making noise or damaging the track. [Wide Application]: The rotational v-groove caster has a strong load capacity and a wide range of applications. It is suitable for all kinds of home sliding doors, revolving doors, wooden fences, industrial carts, shelves, and industrial machines, etc.