1、[Rubber Grommet Assortment Kit] Our rubber grommet set includes 200 pieces with 8 different sizes to meet your diverse needs. 2、[Good Protection] These rubber grommets effectively preserve cables, wires, and pipes from sharply metal edges, dust, and rainwater, providing reliable protection. 3、[Easy Installation] These rubber hole grommets can be easily installed by simply tightening them. The sturdy and robust construction dampens vibrations. 4、[Wide Applications] These rubber grommets are suitable for wall holes, workshops, pipe services, wiring, firewalls, sprays, cylinders, valves, automobiles, pumps, electrical appliances, chemical pipes, and water pipes. 5、[Reliable Material] Crafted from premium rubber, our grommets are resistant to high temperatures, minimizing the negative impact of UV rays and ozone, ensuring durability. 40 x 3x7mm Rubber Grommet40 x 5x8mm Rubber Grommet40 x 6x10mm Rubber Grommet30 x 8x12mm Rubber Grommet20 x 10x13mm Rubber Grommet10 x 12x16mm Rubber Grommet10 x 16x22mm Rubber Grommet10 x 20x22mm Rubber Grommet1 x Storage Box Item Type: Rubber GrommetMaterial: RubberColor: BlackSpecification: Approx. 3x7mm/ 0.12x 0.28in, 5x8mm/ 0.2x 0.31in, 6x10mm/ 0.24x 0.39in, 8x12mm/ 0.31x 0.47in, 10x13mm/ 0.39x 0.51in, 12x16mm/ 0.47x 0.63in, 16x22mm/ 0.63x 0.87in, 20x22mm/ 0.79x 0.87inUse: Wall hole, workshop, pipeline service, wire, firewall, spray, cylinder, valve, car, pump, electrical appliance, chemical pipe, water pipe, etc.