Sage Parts RAMPTECH MB828 and MB845 PCA adapters are setting a new standard for performance. With their patented non-metallic design, RAMPTECH PCA adapters are specifically engineered to outperform other brands by resisting the problems that often compromise the performance of metallic adapters. RAMPTECH PCA adaptors are made of high-density, high-impact polyethylene for exceptional durability, even in the most demanding airport environments.