Uxcell Rubber Grommet Mount Size 15 x 20mm Round Single-Sided Pack of 20

What is this? Single-Sided Wire Grommet for protecting wires cables cords and pipes away from rough surfaces. Widely used in house office industry boat etc. Are there any advantages of the product? It is made of rubber soft durable and heat resistant. The grommets offer a wide selection of diameters tight or lose your cord please make center holes as needed. How to use it? Drill a hole on your plate first then open holes for your wire on the grommet lastly mount to finish. What should I notice? The rubber material may smell not good. Please choose the proper size for your project before purchasing.