High quality materials: the rubber wire grommet is made of premium rubber which is soft and durable, has excellent insulation and can effectively protect the electrical wire. Comprehensive protection : Place rubber grommets in the metal panel to prevent metal contact and protect the wiring. In addition, the rubber grommet protects the cable from chemical substances. Various applications: Rubber grommet can be used in cars, boats, cylinders, valves, water pipes, etc. It is an ideal tool for repairers, movers and decorators. In addition, the rubber grommet assortment can effectively cable and maintain aesthetics. Bulkhead gasket in 8 sizes: 180pcs in total, 5/8'(5pcs), 7 /8&#34; (5pcs), 1'(5pcs), 1/2' (20pcs); 7/16'(25pcs) 1/4'(40pcs), 5/16' (40pcs), 3/8'(40pcs), to meet your different needs. Easy to use: with O-type design and easy-click bite hole, just press on the rubber cable grommet in the hole in the plate to use it. It is also equipped with a box for easy transport and storage. Product description < li>The rubber grommet is the ultimate solution to solve the problem of electrical wire!Made of high quality rubber, our rubber washers are soft and durable, with excellent electrical insulation. In addition, it features easy-click mounting holes for easy installation and nesting. It can be embedded in a metal plate to protect the cable, effectively avoiding friction and contact between metals. At the same time, it can also ensure a beautiful appearance.Rubber cable grommets can be used not only at home, but also in cars, boats, motorhomes, valves, etc. water, pipes, firewalls, workshop, etc. It is an essential tool for electricians, repairers, movers and renovation workers. Our O-rings come in 8 different sizes, including the most used: &#34;5/8 &#34;&#34;(5 pieces),&#34; &#34;7/8 &#34;&#34;(5 pieces),&#34; &#34;1 &#34;&#34;(5 pieces),&#34; &#34;1/2 &#34;&#34;(20pcs),&#34; &#34;7/16 &#34;&#34;(25 pieces),&#34; &#34;1/4 &#34;&#34;(40pcs),&#34; &#34; 5/16&#34;&#34;(40pcs),&#34; &#34; 3/8 &#34;&#34;(40pcs),&#34; 180 in total Material: high quality rubber Color: black Contents: 180 rubber grommets, a plastic storage box Warm Tip Avoid direct sunlight and avoid contact with corrosive chemicals. Reminder: The rubber seal is used after putting it in warm water, which is easier to install. It may have a smell When you just open the package, you can put it in a ventilated place to air.