Invented, engineered and built in America, AMP Research PowerStep have been tested and proven in long-term, real-world, driving conditions performing flawlessly in snow, ice, dust, mud and dirt. The lightweight, yet rock-solid running board and rugged die-cast linkage components are crafted in the USA of aircraft-quality aluminum, black-anodized and PTFE coated for maximum corrosion protection. Precision, stainless-steel hinge points and bearings ensure trouble-free action. And the heavy-duty electric motor is designed and tested to provide reliable, maintenance-free operation for decades.