The Skilled high quality squeegee rubber glides quickly more than the glass floor. Which has a shore hardness of 52 ± 3, the comfortable squeegee rubber adapts improved to uneven surfaces and is ideal for colder temperatures. The rubber is attached on the channel via the pressure from the S-spring. https://softwashchemicals65329.wikievia.com/9963825/the_best_side_of_softwash_chemicals