1) Item no.: XH6001-1 2) Diameter: 151 - 154mm 3) Width: 31mm 4) Hardness: 50 - 60 degrees 5) Ro 1) Item no.: XH6001-12) Diameter: 151 - 154mm3) Width: 31mm4) Hardness: 50 - 60 degrees5) Roller hole: 6.4mm or 8.2mmmany style and colours, suitable for wheel collocation of different kinds of vehiclessuch as baby stroller, luggage barrow, shopping cart, golf vehicle, toy car,etc toy barrow wheel