Extra high bottom seal to compensate for unevenness / height differences in the floor. The hard core ensures good absorption power, in accordance with the standard.Suitable for aluminum profile 80041, 820100, 820101, 820102, 820103, 820104, 820105, 820106, 820107, 820108, 820109 & 820110. Unit:Role (35m). Material:RubberUnit:Role (35m). Material:Rubber.