GRAW jump ramps are the strongest, heaviest and most prestigious. All models in the G PRO series are made from 100% curved beech plywood with a thickness of 20 mm. These jumping ramps are very durable for frequent use by professionals in this field, in skate parks or even scooter schools. All G PRO models come with a screw-on metal plate, with a hex key and screws included. Installation breaks are included for quick installation. Rubber pads help to keep ramps stable under all circumstances.