The wheel cover holder for the axle with a diameter of 3 mm (2 pcs) contains a metal hub with a locking screw for the wheel axle and a plastic flange to which you can attach the wheel cover.
The 3.5mm wheel cover holder for the axle (2 pcs) contains a metal hub with a locking screw for the wheel axle and a plastic flange to which you can attach the wheel cover.
The wheel cover holder for the axle with a diameter of 4mm (2 pcs) contains a metal hub with a locking screw for the wheel axle and a plastic flange to which you can attach the wheel cover.
The wheel cover holder for the axle with a diameter of 5mm (2 pcs) contains a metal hub with a locking screw for the wheel axle and a plastic flange to which you can attach the wheel cover.
The wheel cover holder for the axle with a diameter of 6 mm (2 pcs) contains a metal hub with a locking screw for the wheel axle and a plastic flange to which you can attach the wheel cover.