High Quality: Every piece of our grommet kits is made of top rubber, soft, flexible, durable and has longer service life, high temperature resistance, less affected by the negative effects of UV light and ozone, anti-aging, oil resistance, corrosion resistance, good electrical resistance, flame retardant and insulation, provide long-lasting and reliable service. Wide Range of Applications: Closed grommet are commonly used to protect or cover holes and to protect cables or wires from dust rain or sharp corners and edges, to protect against fire hazards. Use for wall hole, workshops, plumbing, wires, cable, firewall , valve, automotive, electrical appliance, etc, to fit parts together for appliances and wiring of different mechanisms. It can also effectively reduce vibration and are used to seal different important under-the-hood and body applications. Convenient Storage and Use: The separate housings of the grommets kits organize each grommets into different grooves by size, and all grooves are clearly marked for ease of use, eliminating the trouble of sorting and selecting the size. Black environmental protection double-sided protective coil inner * open 5*7 50pc Black environmental protection double-sided protective coil inner * open 7*9 40pc Black environmental protection double-sided protective coil inner * open 9*12 30pc Black environmental protection double-sided protective coil inner * open 14*16 20pc Black environmental protection double-sided protective coil inner * open 15*20 10pc Black environmental protection double-sided protective coil inner * opening: 18*22 10pc Black environmental protection double-sided protective coil inner * open 20*25 10pc Note: due to different production batches, the plastic box style is random , don't accept the specified Colour:black Material:rubber Pac Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.