HIGH QUALITY MATERIAL -The closed rubber grommet made of high quality material , strong flexibility, anti-aging, folding resistance, strong insulation protection function, are dust-proof, insulated, flame-retardant of UV light and , more and tear- firewall grommet,rubber plugs for holes. SIZE & QUANTITY - You get 52 pieces rubber grommets in 6 common sizes, including 12 pcs of 5/8 inch, 10 pcs of 7/8 inch,8 pcs of 1 inch, 8 pcs of 1-1/16 inch,10pcs of 13/16 inch ,4pcs of 1-1/2 inch Drill Hole. Enough quantity and specifications could meet your different needs. Good protection: These double-sided rubber grommets help to protect wire and cable from pointed metal edges as well as reducing the risk of wire and protect the cable from dust and rain to a certain degree.Double Sided Rubber Grommet packed in a clear plastic case, makes it easy to find correct item quickly. EASY TO USE - Each rubber grommet is flexible and can be easily installed according to the thickness of the cable. You can choose a right size grommet in the kit and cut the diameter according to your use and then easily snap it directly into the drill hole. WIDE APPLICATION - It can be reused and recycle if you do not want them to stay on the place thanks to the high quality material which makes them worked last for years. can be applied to cylinder, valve, pump, electrical appliance, , water pipe and so on, easily bringing convenience to your . 6 Sizes Rubber Grommets for Wiring, Uses: Cylinders, valves, water pumps, electrical appliances, chemical pipelines, plastic spraying, water pipes, decoration, etc. Material: rubber Color: Black Package Contents: 52pcs Rubber Grommet Assortment Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.