LT-EM536A, gasket, material is aluminum, it is normally being used as the end cover plate for the hole in center of LT-MPL3 or LT-SPL3 exhibition wood floor. The plate is technically designed in purpose with a gap in it so that electric wires can go through when needed. Lingtong product is eco-friendly, it can be built very fast and easily, saves a lot of labor on site, and it can be reused many times, can be recycled very easily, and that is very important for the earth.