12€ worth of aluminum... it's thinner than the commertial available ones thincker aluminum would have cost me about 35€ as much but this grade could be bend by hand over a table edge and with angled edges it's quite sturdy. its thin enough to be cut with metal sheers
a few additional bracings and it slides underneath the edge of the bumper and bolts to the subframe...
just to say that a cheap diy alternative could perform identical to expensive aftermarket stuff...