Specification Brand : uxcell BulletPoint1 : Country of Manufacture: CHINA; Material: PVC BulletPoint2 : Net Weight: 34g; Package Content: 40pcs x Vinyl Thread Protector BulletPoint3 : Main Color: Black; Inner Diameter: 9mm / 0.35" BulletPoint4 : Inner Length: 15.5mm / 0.61" BulletPoint5 : Overall Size: 17.5 x 11mm / 0.69" x 0.43" (L*D) Color : Black ConnectorType : Cap ItemName : uxcell 40 Pcs 9mm Inner Dia PVC Vinyl End Cap Bolt Screw Thread Protector Black ItemPackageDimensions_Height : 11.4 centimeters ItemPackageDimensions_Length : 3.4 centimeters ItemPackageDimensions_Width : 8.6 centimeters ItemPackageQuantity : 40 ItemTypeKeyword : luer-cap-fittings Manufacturer : uxcell ManufacturerGrade : Grade 2 Material : Pvc ModelNumber : a17112200ux0260 NumberOfItems : 2 NumberOfPieces : 40 PartNumber : a17112200ux0260 ProductDescription : Used for protecting screw thread point. Simply slide over the threaded end of the screw or bolt, also easy to take off. The flexible vinyl 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.