Specification Brand : uxcell BulletPoint1 : Country of Manufacture: CHINA; Main Color: Clear White; Net Weight: 9g; Material: PE Plastic BulletPoint2 : Package Content: 2pcs x Bolt Thread Protector BulletPoint3 : Fit Thread Size: M45 BulletPoint4 : Inner Diameter: 45mm / 1.8" BulletPoint5 : Overall Size: 22.5 x 46mm / 0.89" x 1.81" (L*OD) Color : White ConnectorType : Cap ExteriorFinish : Black ExternallyAssignedProductIdentifier : 6117597561402 ItemName : uxcell® 2Pcs 45mm Inner Dia PE Plastic End Cap Bolt Thread Protector Tube Cover ItemPackageDimensions_Height : 1.97 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 2 ItemShape : Round ItemTypeKeyword : luer-cap-fittings Manufacturer : uxcell Material : PE Plastic ModelNumber : a17112200ux0409 NumberOfItems : 20 NumberOfPieces : 2 PartNumber : a17112200ux0409 ProductDescription : Used for protecting bolt thread or tube end. Simply slide over the threaded end of the screw or bolt, also easy to take off. The flexible PE plastic material stretches over the threads to provide a tight seal, cushions the threads against damage. Applications include: protection during transport, protection against liquids or dirt.