Specification Brand : GZWZH BulletPoint1 : High-quality raw materials, selected materials, in strict accordance with technical requirements, to ensure strength and precision. BulletPoint2 : Aviation lead processing and manufacturing, oxidation treatment, oxidation to extend the service life of 30%, the use of high-quality aluminum, significantly improve the wear resistance of the material. BulletPoint3 : High hardness + high precision, the surface is oxidized for higher hardness and precision, corrosion resistance and durability. BulletPoint4 : Surface sandblasted oxidation treatment, aluminum alloy material surface sandblasted oxidation treatment. BulletPoint5 : Customer service: if you have any questions or dissatisfaction with the product please contact us, we will answer or deal with your questions as soon as possible.Size: 5/8in ExternallyAssignedProductIdentifier1 : 0044861064788 ExternallyAssignedProductIdentifier2 : 044861064788 IncludedComponents : Unit^Instruction Guide ItemName : GZWZH 4PCS Bore Solid Steel Shaft Collar 5/8in Bare Shaft Check Collar Locking Collar Fixed Limit Ring Shaft Fixed Collar Stop Screws for Machinery Industrial Use ItemPackageDimensions_Height : 0.39 inches ItemPackageDimensions_Length : 2.36 inches ItemPackageDimensions_Width : 3.54 inches ItemPackageQuantity : 4 ItemTypeKeyword : clamp-on-shaft-collars Manufacturer : GZWZH Material : stainless steel NumberOfBoxes : 1 NumberOfItems : 4 PackageLevel : unit PartNumber : 2919-SSSR-58-4 ProductDescription : Product Features: 1.Durable 2.Quality assured 3.Sturdy and solid 4.Aviation aluminum 5.Anti-corrosio 6.Size: 5/8in ProductSiteLaunchDate : 2025-03-10T08:18:23.744Z Size : 5/8in Style : Classic SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 31161500