1) Wheel material: pu 2) Wheel dia: 50, 60, 75, 90 3) Load capacity: 100kg 4) Heavy duty caster Feature:1) Wheel material: pu Wheel color can be white and black according to client's requests2) Wheel Dia: 50, 60, 75, 903) Bracket and plate material: Nickel plated steel4) Load capacity: 100kg/PC6) Heavy duty caster for medical treatment, military, aerospace and so on.7) High quality and best ...