Generally, escalator safety brush is used for keeping people away from the damage and accident of running steps. For example, people's shoe lace may locked. For a very long time experience in this product area, we are very proud to say that we are one of the best safety brush manufacturer in the world. Cooperating with a lot of very big escalator factories in china, we have very high skills to make it best. Generally, we have several standards for our buyers: RowGroove Depth(mm) ColorFills Height(mm)Fire Prevention Single 15 Black35Yes/No Single18.5 Black40Yes/No Double 15 Black 35 Yes/No Double 18.5Black40 Yes/No Or you tell us your request and we make to order. Also, wekeep developing new products all the time, in order to satisfy our clients more.