Specification Brand : uxcell BulletPoint1 : Rubber Grommets - You will get 15Pcs Top Hat Grommets, Inner Dia.: 7mm/0.28-inch, Drill Hole: 16mm/0.63-inch, Upper Dia.: 24mm/0.94-inch, Height: 10mm/0.39-inch, Upper Thickness: 4mm/0.16inch. BulletPoint2 : Material: Made of rubber, high elasticity, strong toughness, flame retardant, high and low-temperature resistance, waterproof, corrosion resistance, not easy to deform and break, protect your wires and tube for a long time. BulletPoint3 : Sealing Protection: The top hat grommet is flexible, making it easy to snap the rubber grommet directly into the drill hole. Protect wires and cables from scratches and abrasion. It has straight-side walls to form sealing protection for hydroponic drip irrigation systems, etc. BulletPoint4 : Application: The rubber grommet is suitable for vinyl tubing in hydroponic drip irrigation systems, tube barrel systems, outdoor landscaping home gardens commercially installed irrigation systems, wire protection, and sealing of various pipes such as firewalls, office desks, and water pipe connections. BulletPoint5 : Note: Please measure the hole and wire sizes before purchasing. The inner diameter is equal to the size of the wire/pipe that can be connected. BulletPoint6 : For cable and electrical wire protection against sharp edges Color : Black ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 0645117982124 ExternallyAssignedProductIdentifier2 : 645117982124 FinishType : Black Satin Powder-Coated Finish IncludedComponents : Screw InstallationType : Self-Adhesive ItemName : uxcell 15Pcs 2/7" ID, 5/8" Drill Hole Rubber Grommets, Top Hat Grommets Firewall Hole Plug Fit 7mm Wire for Vinyl Tubing in Hydroponic Irrigation Systems, Black ItemPackageDimensions_Height : 14 centimeters ItemPackageDimensions_Length : 2.4 centimeters ItemPackageDimensions_Width : 9.9 centimeters ItemPackageQuantity : 15 ItemShape : Round ItemTypeKeyword : grommet-kits Manufacturer : uxcell Material : Rubber Material1 : Zinc Material2 : Alloy Steel MetalType1 : Zinc MetalType2 : Alloy Steel ModelNumber : RG30183323897 NumberOfBoxes : 1 NumberOfItems : 100 PartNumber : a24051700ux0331 ProductDescription : Description: Material: Made of rubber, high elasticity, strong toughness, flame retardant, high and low-temperature resistance, waterproof, corrosion resistance, not easy to deform and break, protect your wires and tube for a long time. Sealing Protection: The top hat grommet is flexible, making it easy to snap the rubber grommet directly into the drill hole. Protect wires and cables from scratches and abrasion. It has straight-side walls to form sealing protection for hydroponic drip irrigation systems, etc. Application: The rubber grommet is suitable for vinyl tubing in hydroponic drip irrigation systems, tube barrel systems, outdoor landscaping home gardens commercially installed irrigation systems, wire protection, and sealing of various pipes such as firewalls, office desks, and water pipe connections. Note: Please measure the hole and wire sizes before purchasing. The inner diameter is equal to the size of the wire/pipe that can be connected.