Prostep SP is a stair-nosing profile for building and protecting ceramic and stone coverings on steps. Available in the heights 5/16", 3/8" and 1/2" (8, 10 and 12.5 mm) and made from an aluminum base and a ridged PVC insert, Prostep SP guarantees a high degree of safety and non-slip steps. The available colors of the PVC element allow the product to fit a variety of requirements.