Heavy duty with good quality PU tread on firm cast-iron core. The caster is made to operate continuously, it also has greases nipples on bracket steel & wheel's cast-iron core. This makes easy maintenance.
Same design as the Standard 03S Series but shorter and bigger so it can bear load capacity up to 300 kg. Enhanced PA wheel is strong and durable, it can rolls easy thanks to the double ball bearings. Suitable for lifting heavy machine.