• MerCruiser® Alpha One, Bravo I (incl. X & XR, TRS, Vazer) •  Mercury/Mariner 70 HP and larger (ex.225 HP 4 stroke until 2005)    Mercury Bigfoot 40 HP, 50 HP, 60 HP (4 stroke) Secure the high-quality propeller of your outboard motor or sterndrive against theft with McGard. Simply replace the installed nut with the McGard propeller lock. When trying this with pry tools To open it by force, a loose sleeve turns, but the lock remains tight and your Propeller is protected against theft. Our propeller locks are made of specially corrosion-resistant material Made of brass and hardened stainless steel and guarantee maximum safety.  All technical data are non -binding, error reserved                Don't miss any more offers! We will inform you about offers a