Specification Brand : Generic BulletPoint1 : 1. Patented design: The patented design of Trolley Roller Wheels Limit has been granted a US patent. BulletPoint2 : 2. Special design: This product is made of stainless steel and is specially designed for 1-5/8'' wide trolley roller wheel limits to prevent the separation of trolley assemblies from the strut channel. BulletPoint3 : 3. Impact-resistant, silent design, and never fall off: This product is equipped with spring washers, making the nuts less likely to loosen. It has larger and thicker rubber blocks and pads compared to metal washers, ensuring that no metallic impact noise is produced, resulting in quieter operation, better impact resistance, and vibration dampening. BulletPoint4 : 4. Easy to Install: This product only needs to be installed according to the diagram in sequence and tightened with nuts to be securely fixed to the strut channel. BulletPoint5 : 5. We also have related UNISTRUT channel ( ASIN:B0CT3PFHQF) ,and Channel Trolley Track Hanger (ASIN: B0CT83W1K9) . Color : silver-2pack CompatibleWithVehicleType : Bicycle ExteriorFinish : Zinc Plating ExternallyAssignedProductIdentifier1 : 0735550838154 ExternallyAssignedProductIdentifier2 : 735550838154 IncludedComponents : Trolley Roller ItemDepth : 1.625 inches ItemName : Trolley Roller Wheels Limit Trolley Assembly Positioning for Unistrut Strut Channel with 1-5/8" Wide and All 1-5/8" or Strut channel trolldy Pack of 2 ItemPackageDimensions_Height : 11.0998 centimeters ItemPackageDimensions_Length : 3.4036 centimeters ItemPackageDimensions_Width : 6.5024 centimeters ItemPackageQuantity : 1 ItemShape : Bear ItemTypeKeyword : beam-trolleys Manufacturer : HENGYU Material : Stainless Steel Material1 : Metal Material2 : Steel ModelName : DUTOU-2 ModelNumber : DUTOU-2 MountingType : Plate Mount NumberOfBoxes : 1 NumberOfItems : 2 PartNumber : DUTOU-2 ProductDescription : Trolley Roller Wheels Limit Trolley Assembly Positioning for Unistrut Strut Channel with 1-5/8" Wide and All 1-5/8" or Strut channel trolldy Pack of 2 ProductSiteLaunchDate : 2024-01-24T03:15:24.359Z Size : 6 Wheels SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Multi-Surface UnitCount : 4 WebsiteShippingWeight : 1.601 kilograms