Rubber bushing TET M7-10C sealing range M21, cable D7-10mm black, pack of 50. Material CR (chlorophene rubber). Weather and temperature resistant for use inside and outside buildings. Resistant to: hydrocarbons, alkaline solutions, alcohol, diluted acids, slight impairment by: acetone, ammonia, freon, glycol, sodium hydroxide. Temperature range: -25 degrees to 95 degrees.