Cast polymers offers a range of components/products in cast nylon material, which is a substitute for metals. These are available in the following ranges: rods 20 mm to 150 mm, sheets 1 sq. Feet, thickness 5 mm to 50 mm; and gears - spur, helical, worm, rack and pinion and bevel. These components are custom made and available in various colours such as ivory, black, green, red, blue and orange.