Two part double dipped conformal acrylic coating on all electronic boards and components. Longest twist-tiller handle on the market. In handle forward and reverse control. Stainless steel shafts. All metal mounts. Kill switch on variable speed models. HyperDrive™ Lower unit with built-in weed ring, extended skeg, and three blade Machete® prop for quiet, weed-free performance. (*Except on 30 lb. Transom model)