TET grommets are available in two different materials, Ethylene/propylene (EPDM) rubber and Chloroprene (CR) rubber. Both materials are weather and temperature resistant and can be used both indoors and outdoors. These grommets are intended for completely dust and watertight sealing of cables, conduits and pipes, for example in cars, aeroplanes, ships, electrical and hydraulic equipment. This device is a grommet and is grey in color. The grommet is made of EPDM, making it resistant and durable. This device is sold in set of 25. The IP rating of this device is IP67 which is very high. This grommet is free from substances of very high concern (SVHC). It is resistant to mercury. It is mercury free. Cables with an outer diameter of up to 20-26 mm can be inserted. It fits into a 40.7 mm diameter hole. Each set contains 25 pieces.