Mcgard Propeller Lock #371-74053

• MerCruiser Bravo III (up to 2003), Blackhawk
• Thread: 1-14"
• The best protection available against costly propeller theft.
• Once installed the McGard propeller lock offers 24 hour protection during use, storage and transit.
• A free-spinning collar will turn if attacked by gripping tools without loosening the lock.
• Constructed of naval brass and hardened stainless steel for maximum security.