Ashu Enterprises makes a variety of road safety products including road studs. Alcolite Aluminium Stud AL-105 is made of alcolite and fitted with two-way acrylic prismatic reflectors. It is available in yellow, white and red colours. The aluminium stud exhibits retro-reflective properties under both wet and dry conditions. It is very durable, with high abrasion and impact resistance. The stud is compatible with standard epoxy adhesives, and complies with ISI and ASTM-D (American Society for Testing and Materials – Draft) standards.