Features: -- Made of premium rubber with good insulation, flame-retardant and folding resistance. -- Dual sided grommet design provide more convenience for you to use. -- Protect the cable from dust and rain, keep them from rubbing against metal, run wires through the applications. -- Widely applied to firewall, cylinder, pump, electrical appliance, spray, water pipe, frame, office equipment, computer components, entertainment systems and other applications. Specifications: Material: Rubber Inside diameter : approx. 1.2"/30.4mm. Overall diameter: approx. 1.6"/42.3mm. Dirll hole size: approx. 1.4"/35mm. Groove thickness: approx. 0.4"/9.5mm. Package included: 5 x Rubber hole plugs 1 x Mini box knife Warmly Notes: 1.)The colors may have difference as the different display, please understand. 2.)Please allow 1-2mm error due to manual measurement, please make sure you do not mind before you bid. Why Do you Choose Us: Our products are a testament to our commitment to excellence. Each item is carefully designed and rigorously tested to ensure it meets the highest standards, providing you with long - lasting functionality and reliability. When you choose Zorveiio, you're not just purchasing a product; you're investing in peace of mind and a seamless user experience. So, don't miss out on the opportunity to enhance your projects with our premium hardware. Scroll up, click “ADD to cart” and embark on a rewarding shopping journey that promises to bring you the very best in quality and value!