wheel clamps:
it can be free flexible according to the tyre diameter and thickness
the silver crutch of the body which is control the tyre dimensions
three irregular-shaped holes on cruch of the body which is control the tyre thickness
adjustable in diameter and if possible as well in tire width
fit on all the different wheel sizes of heavy-duty vehicles (especially 900mm, 1000mm, 1100mm, 1200mm, 1300mm).