Check the listing for details. 3-Pack 2-1/2 Inch Drill Hole, 2 Inch ID Silicone Rubber Grommets [White]. Condition: New. Listed at 18.58 USD. PRODUCT APPLICATIONSWidely used in Hydroponic systems, irrigation systems, Home gardens, landscaping, automotive, firewall wiring, spray, cylinder, valve, wire protection, and so onPRODUCT DETAILS & INCLUDE√ Material: Silicone Rubber√ Drill Hole: 63.6 mm/ 2.5 Inch√ Inner Diameter: 52 mm/ 2.05 Inch√ Upper Diameter: 70 mm/ 2.76 Inch√ Height: 15.5 mm/ 0.61 Inch√ Upper Thickness: 3.5 mm/ 0.14 Inch√ Fit Hole Diameter: 62 mm/ 2.44 Inch√ Package List: 3 Pcs x Silicone Rubber GrommetsPRODUCT ADVANTAGES1. Made of tough and durable silicone rubber material, which is excellent flexibility, waterproof, strong insulation, high and low temperature resistant(-40℉~ +482℉), corrosion resistant, flame resistant, and wear resistance2. Insert and seal holes to protect pipe cable wires from scratch or damage by pointed edges and corners.