This product is an "S" shaped rubber extrusion usually used to cover a protruding edge. The rubber fits snugly over the top of the edge and often needs to be secured into place with glue or adhesive.
Before you order this product you need to know the width of the edge you want to cover, and also in some cases, how much of the side surface from the top of the edge you want the rubber to cover.
It measures 14mm wide and is 18mm in height.
