SkegShield SS00502 Mercruiser Alpha 1 Generation II Drives Skeg Guard Fits Mercruiser Alpha 1 Gen II 91-Current Made in the USA from 316 Marine grade polished mirror finish stainless steel. Patterned after the OEM skeg , No foot or tab welded to the bottom that can affect performance. Superior endcap design with a reinforced lower edge for protection from ramp damage or riverbed,lakebed dragging, and better water/hydro streamlining. Protects as well as repairs the damaged skeg and guards your prop.