– Construction made of concrete class C 25/30 and hot dip galvanized steel – All steel elements are protcted against corrosion – The device is available in 2 variants: 70cm (161270) and 98cm (161298) heigh. – If the Stairs are a component of a bigger skate park set, the concrete elements are connected with steel plates 5mm width and screws – Concrete elements are protected by impregnation and painted with acrylic paint PILBET