This Black V1 stair nosing tread supports a height of up to 25mm and is designed for use on the edge of your steps to increase stair safety. This stair edging trim can be used in conjunction with a number of flooring types such as Laminate, Wood and Tile to Vinyl Flooring or Carpet. Featuring a black rubber Anti-Slip pad for added safety. Simple screw down installation with the screws provided.