This wheel is manufactured by our company in accordance with the customized standards of JUMAO wheelchair customers, and the wheelchairs are sold to the European and American markets.

This caster adopts inch thread, full plastic shell, metal wave plate.http://mao.ecer.com/test/pu-casterwheel.com/sale-14314038-125mm-tpr-tread-casters-wheels-swivel-thread-medical-caster-wheels.html
Medical casters wheel Widely Used for can be used in a variety of applications, including: flight boxes, instrument boxes, display/exhibition equipment, trolleys, tool boxes, light machinery, equipment supports, mobile workstations, speakers, cabinets, supports, amplifiers, electrical enclosures, furniture, etc.
This is a special medical caster wheel.