Plastic Medical castor details:

Material :TPR+PP+PA
Dia:  75/100/125 mm
Lapacity range: 50-120kg
Caster Fittings Type  : plate/threaded bolt/round bolt
Applications :  Food Service Equipment , Case Carts,  Utility Carts, Medical Equipment, Hospital Carts, 
Laboratory  Pharmaceutical, Nursing Home Beds, Diagnostic Equipment  Electronic Equipment .