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 ...