Specification AgeRangeDescription : Adult Brand : SBD Ltd. BulletPoint : SBDs (Pack of 10): 1/4"- 5/16" Round Black Vinyl Flexible End Cap Bolt Screw Rubber Thread Protector Safety Cover | for 0.250 Inch Pipe Post Tubing Rod OD Cover - 1" inside Height BulletPoint1 : SBDs (Pack of 10): 1/2"- 9/16" Round Black Vinyl Flexible End Cap Bolt Screw Rubber Thread Protector Safety Cover | for 0.5 Inch Pipe Post Tubing Rod OD Cover - 1" inside Height. BulletPoint2 : These caps are for a tube/thread with OD 1/2" only. These are strechable by 1/16" without tearing off.Please check the Out Side (OD) Diameter of the pipe / Screw you are using for to match the ID 1/2" of the plug listed. These caps have 1/2" Inside Diameter and are suitable for screws / pipes with 1/2" Out Side Diameter. BulletPoint3 : **These caps are manufactured by ISO 9001 certified molding company "CAP0LUGS. USA YOU CAN TURST FOR THE QUALITY AND ACCURACY IN PRODUCTG MEASUREMENTS.** BulletPoint4 : **ALERT – Please see the description and measurements provided in the images before ordering the product.** BulletPoint5 : Under Head Length: 5mm/0.2" CareInstructions : Hand Wash Only Color : Black CustomerPackageType : Standard Packaging Department : unisex-adult ExteriorFinish : Black ExternallyAssignedProductIdentifier1 : 789704028229 ExternallyAssignedProductIdentifier2 : 0789704028229 ExternallyAssignedProductIdentifier3 : 4660029720141 FabricType : Cloth FitType : numeric HatFormType : beanie ImportDesignation : Imported IsWaterproof : False ItemName : SBDs (Pack of 10): 1/2"- 9/16" Round Black Vinyl Flexible End Cap Bolt Screw Rubber Thread Protector Safety Cover | for 0.5 Inch Pipe Post Tubing Rod OD Protective Cover. (10, 1" Inside Height) ItemPackageDimensions_Height : 8.382 centimeters ItemPackageDimensions_Length : 2.032 centimeters ItemPackageDimensions_Width : 8.128 centimeters ItemPackageQuantity : 10 ItemShape : Round ItemTypeKeyword : pipe-fitting-protective-caps Manufacturer : SBD Ltd. Material : Cast Iron MeasurementSystem : English ModelName : 758 ModelNumber : 758 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 10 OccasionType1 : Bachelorette Party OccasionType2 : Mother's Day OccasionType3 : Easter PartNumber : 758 PatternType : Solid ProductDescription : SBDs (Pack of 10): 1/2"- 9/16" Round Black Vinyl Flexible End Cap Bolt Screw Rubber Thread Protector Safety Cover | for 0.5 Inch Pipe Post Tubing Rod OD Cover - 1" inside Height. ProductSiteLaunchDate : 2018-02-21T08:00:00.000Z RecommendedUsesForProduct : Fashion Seasons : All Size : 1" Inside Height Style : Hat SupplierDeclaredDgHzRegulation : unknown SurfaceRecommendation : Hardwood TargetGender : unisex UnitCount : 1 UnspscCode : 27110000 Voltage : 120 volts WaterResistanceLevel : not_water_resistant