Metal Hex 12mm wheel extenders. These allow the wheels to be extended outwards from the car, or truck which widens the wheelbase to clear body shells and give additional stability on corners.
Comes with everything necessary to fit, including new axle pins, extended bolts and extenders.
These are 20mm extenders in Black. I also carry 15mm and 25mm extenders.
20mm = total extension Length
12mm = Wheel hex fitting (measured aross flats)