The advantages of the C Series is the sturdiness of the steel bracket: very thick, even on par with Heavy duty standard. The steel bracket is Niken coating so it is very resistant to scratch, rust and corrosion. However, the Solid rubber wheel's load capacity is somewhat held back the strength of the bracket.

Double ball race ways reinforced by wear-resistant tempered steel. The steel bracket has a moderate thickness, relatively bright thanks to the Nickel plating. The caster load capacity is suitable for light and medium industries.