Specification Brand : uxcell BulletPoint1 : Country of Manufacture: CHINA; Material: PE Plastic BulletPoint2 : Net Weight: 14g; Package Content: 50(+/-2%)pcs x Bolt Thread Protector BulletPoint3 : Main Color: Clear White; Fit Thread Size: M8 BulletPoint4 : Inner Diameter: 8mm / 0.31" BulletPoint5 : Overall Size: 11.1 x 9mm / 0.44" x 0.35" (H*OD) Color : White ConnectorType : Cap ExternallyAssignedProductIdentifier : 8777000998836 ItemName : uxcell 50Pcs 8mm Inner Dia PE Plastic End Cap Bolt Thread Protector Tube Cover ItemPackageDimensions_Height : 0.59 inches ItemPackageDimensions_Length : 3.94 inches ItemPackageDimensions_Width : 5.51 inches ItemPackageQuantity : 50 ItemTypeKeyword : luer-cap-fittings Manufacturer : uxcell Material : PE Plastic MeasurementSystem : Inch ModelNumber : modle NumberOfPieces : 50 PartNumber : a17112200ux0482 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.