The RRH-160-70-280 is a round rubber hole plug made of EPDM, Ethylene Propylene Diene Monomer, a durable synthetic rubber material from Essentra Components. The plug fits into an 8mm diameter hole, and has a flat design for better securing and sealing in the material. The plug measures 16.4mm in diameter, with a 7mm height and a maximum sealing compression range of 28mm. The plug is designed to keep out dust, dirt, moisture and noise, and is suitable for applications such as automotive, electrical and industrial.