Specification Brand : uxcell BulletPoint1 : Country of Manufacture: CHINA; Material: TPR BulletPoint2 : Net Weight: 108g; Package Content: 4pcs x Caster Wheel BulletPoint3 : Main Color: Gray, Blue; Product Name: Caster Wheel BulletPoint4 : Wheel Size: 49 x 22mm/2" x 0.87"(D*T) BulletPoint5 : Bore Diameter: 8.5mm BulletPoint6 : 【This Information Is Very Important】 Please review this information carefully before purchasing to avoid purchasing an inappropriate caster that will detract from your experience. Make sure first that the threaded casters you used for your old equipment is the ISO Metric Threads or the Unified Thread Standard (UTS). For example, if you were previously using an ISO standard, then go ahead and purchase an ISO standard threaded casters, as UTS's do not screw into ISO standard threaded tubes.(Please refer to the product details page) Color : Blue,Gray ExternallyAssignedProductIdentifier1 : 605322954699 ExternallyAssignedProductIdentifier2 : 0605322954699 GpsrSafetyAttestation : 1 IncludedComponents : Screws Include ItemName : uxcell 2-inch Diameter TPR Wheel 8.5mm Bore Trolley Caster Pulley Roller 4pcs ItemPackageDimensions_Height : 15 centimeters ItemPackageDimensions_Length : 2.2 centimeters ItemPackageDimensions_Width : 14.9 centimeters ItemPackageQuantity : 1 ItemShape : Conical ItemTypeKeyword : stem-casters LeagueName : Canadian Premier League LoadCapacity : 30 kg Manufacturer : uxcell Material : Thermoplastic Rubber Material1 : Nylon Material2 : Iron ModelNumber : a17061700ux0697 MountingType : Stem Mount NumberOfItems : 4 PartNumber : a17061700ux0697 ProductDescription : Provide low starting and rolling resistance, roll quietly and smoothly. Suitable for small machinery, trolleys, furniture and rack, etc. ProductSiteLaunchDate : 2017-10-24T10:35:42.976Z Size : 8.5mm Style : Casters SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Multi-Surface UnitCount : 4 UnspscCode : 31162702 WebsiteShippingWeight : 0.13 kilograms