Specification Brand : dexierp BulletPoint : Stopper, plugs #10 Rubber fits 1-7/16" to 1-1/2" hole in white only BulletPoint1 : What You Get: 20 pcs in one zipper bag BulletPoint2 : best to fit ID 15/32" To 35/64" 12-14mm hole BulletPoint3 : plug big OD 0.625" 15.9mm small OD 0.438" 11.1mm length 0.813" 20.7mm BulletPoint4 : Silicone Rubber for high temp to 400 F/200 C. Can Be reused many times for Powder and E.D. Coating, Painting, Cerakote, Anodizing, Plating, Media Blasting, Sealing ,Custom surface treatment and protection Supplies. No color and smell contamination .No Dissolved matter BulletPoint5 : Material support for boiling Steam UV light alcohol immersion Autoclave Sterilization process for safe, clean and Reusable applications Color : grey ExternallyAssignedProductIdentifier1 : 618952819962 ExternallyAssignedProductIdentifier2 : 0618952819962 FitType : Universal ItemName : dexierp Protection Force #00 Stopper Plug for 1/2" 17/32" 12-14mm Hole (Pack of 20) Tube Bottle Openning 9/16-12 UNC 9/16-18 UNF M14 Thread Nut Paint Masking Reusable Silicone Rubber ItemPackageDimensions_Height : 15.2908 centimeters ItemPackageDimensions_Length : 2.5908 centimeters ItemPackageDimensions_Width : 15.1892 centimeters ItemPackageQuantity : 1 ItemShape : Cone ItemTypeKeyword : science-lab-rubber-stoppers Manufacturer : Protection Force Material : Rubber ModelNumber : STS0625 NumberOfBoxes : 1 NumberOfItems : 20 OperationMode : Manual PartNumber : STS0625-20 ProductDescription : For any other seal size, material, type, custom molding and quantity discount price, Please leave message in bellow AMAZON-Customer questions & answers, Our online customer service will reply to you at once. ProductSiteLaunchDate : 2021-04-28T05:50:56.138Z SheetCount : 7 Size : 12-14mm(1/2") SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 25170000