1Material: UC UA PS PU PC PR SR HR RC RA RS NY PH PN FP UG LP HP. 2,Load capacity :40-135kgs 2Application: counters,platfo 1Material: UC UA PS PU PC PR SR HR RC RA RS NY PH PN FP UG LP HP.2,Load capacity :40-135kgs2Application: counters,platformers,doollies,hospital, hotel light material handling equipment, freight terminal trucks.3.OEM is according to customer's requirement. nylon caster wheels