Check the listing for details. 10-Pack 5/8 Inch Drill Hole, 1/4 Inch ID Silicone Rubber Grommets [White]. Condition: New. Listed at 15.11 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: 17 mm/ 0.67 Inch√ Inner Diameter: 7 mm/ 0.28 Inch√ Upper Diameter: 25 mm/ 0.98 Inch√ Height: 14 mm/ 0.55 Inch√ Upper Thickness: 4 mm/ 0.16 Inch√ Fit Hole Diameter: 16 mm/ 0.63 Inch√ Package List: 10 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.