Specification Brand : uxcell BulletPoint1 : Overall Size: 17 x 10.5mm / 0.67" x 0.41" (L*D); Country of Manufacture: CHINA BulletPoint2 : Material: PVC; Net Weight: 14g BulletPoint3 : Package Content: 20pcs x Vinyl Thread Protector; Main Color: Red BulletPoint4 : Inner Diameter: 8.5mm / 0.33" BulletPoint5 : Inner Length: 14.5mm / 0.57" Color : Red ConnectorType : Cap ExteriorFinish : Black ExternallyAssignedProductIdentifier1 : 0604267573590 ExternallyAssignedProductIdentifier2 : 604267573590 ItemName : uxcell 20 Pcs 8.5mm Inner Dia PVC Vinyl End Cap Bolt Screw Thread Protector Red ItemPackageDimensions_Height : 13.8 centimeters ItemPackageDimensions_Length : 1.8 centimeters ItemPackageDimensions_Width : 9.9 centimeters ItemPackageQuantity : 20 ItemShape : Round ItemTypeKeyword : luer-cap-fittings Manufacturer : uxcell Material : Rubber Material1 : Polyvinyl Chloride Material2 : Vinyl ModelNumber : a17112000ux0210 NumberOfItems : 30 NumberOfPieces : 20 PartNumber : a17112200ux0250 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.