Specification Brand : Tanstic BulletPoint1 : What You Will Get: You will receive 20pcs rubber grommets, 1/4”(9.7mm)=5pcs, 1/2”(12.7mm)=5pcs, 3/4”(19.2mm)=5pcs, 1”(25mm)=5pcs. BulletPoint2 : Rubber Material: Rubber grommets are made of rubber, which is wear-resistant, corrosion-resistant, resistant to high and low temperatures, waterproof, aging resistant, UV resistant, highly insulating, and safer to use. BulletPoint3 : Good Performance: Rubber grommets have good elasticity and flexibility, which can cover holes well and protect wires or pipes. Top hat rubber grommets come in a wide range of sizes to meet your different needs. BulletPoint4 : Easy to Use: Drill a hole of appropriate size on the object, then insert the rubber ring so that the wire can pass through. BulletPoint5 : Wide Application: Rubber grommets are used to protect pipelines, wires, and cables from scratches and damage, and are widely used in hydroponic and drip irrigation systems, automobiles, firewalls, gardens, appliances, and precision equipment. Color : Black GpsrSafetyAttestation : 1 ItemName : Tanstic 20Pcs 4 Sizes Black Rubber Grommet Rubber Grommet Assortment Kit 1/4” 1/2” 3/4” 1” for Wiring, Irrigation Systems, Automotive, Firewall ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 7 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 1 ItemTypeKeyword : grommet-kits Manufacturer : Tanstic Material : Plastic ModelNumber : T1714 NumberOfBoxes : 1 NumberOfItems : 20 PartNumber : T1714 ProductDescription : Tanstic 20Pcs 4 Sizes Black Rubber Grommet Rubber Grommet Assortment Kit 1/4” 1/2” 3/4” 1” for Wiring, Irrigation Systems, Automotive, Firewall