Specification Brand : uxcell BulletPoint1 : Country of Manufacture: CHINA; Material: PE Plastic BulletPoint2 : Net Weight: 13g; Package Content: 2pcs x Bolt Thread Protector BulletPoint3 : Main Color: Blue BulletPoint4 : Inner Diameter: 48mm / 1.89" BulletPoint5 : Overall Size: 21 x 50mm / 0.83" x 1.97" (H*D) ItemName : uxcell 2pcs 48mm Inner Dia PE Plastic End Cap Bolt Thread Protector Tube Cover Blue ItemPackageDimensions_Height : 11.7 centimeters ItemPackageDimensions_Length : 2.5 centimeters ItemPackageDimensions_Width : 8.9 centimeters ItemPackageQuantity : 2 ItemTypeKeyword : luer-cap-fittings Manufacturer : uxcell Material : Plastic ModelNumber : a17120800ux0312 NumberOfItems : 2 PartNumber : a17120800ux0312 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.