Diameter. 0100 mm, 100150 mm, 150200 mm, 200250 mm. Load Capacity. 0100 Kg, 100200 Kg, 200300 kg, 300400 kg, 400500 kg. We offer a quality range of Heavy Duty Caster Wheel. CasterShop provides a wheel selection consisting of 4 basic types. Of these one will fit your specific needs and floor conditions.