✔ The carpet trim easily covers a seam or gap between two flooring surfaces of unequal height. For use in doorways, room entry ways or other locations where two uneven flooring surfaces meet.✔ Specification:- Material: Aluminum- Width: 10cm/3.93 inch- High: 8mm/0.3 inch- Length: 80-150cm/31.5-59 inch- Contents: 1 × Stair nosing.✔ Feature:- Easy to snip and trim to size.- Hardwood-style finish to match your stairs.- Was not glue included. Not to slip when wet.- Protects edge of stair step from wear and tear.- Excellent for finishing in home, office or commercial.✔ Tips:- Manual measurement products may have dimensions of a few centimeters of difference, please understand.- There may be some differences between the image and the product due to display and lighting reasons, please refer to the actual product.