... Your inquiries will be highly appreciated Solid Rubber WheelModel Number:8''x2.5''Rubber wheel diameter: 200mmRubber tyre material: Powder rubberFull range ... -4,300-8,325-8.400-6,350-6,350-8,400-8,450-8,500-6,650-8 and so on. Solid Rubber Wheel 8''x2.5''