1) Item no.: XH6503 2) Diameter: 164 - 166mm 3) Width: 34mm 4) Hardness: 50 - 60 degrees 5) Roller h 1) Item no.: XH65032) Diameter: 164 - 166mm3) Width: 34mm4) Hardness: 50 - 60 degrees5) Roller hole: 8.1mmmany style and colours, suitable for wheel collocation of different kinds of vehiclessuch as baby stroller, luggage barrow, shopping cart, golf vehicle, toy car,etc plastic toy wheel