Single MerCruiser TRS & II SSM Stern Drive Lock 

McGard Stern Drive Locks - Single TRS & II SSM

• Overall Lock Length: .750"
• Thread Size: 1/2" - 20
• Hex Size: 5/8"
• Set of 1 Lock, 1 Key, 1 Cap and 1 Thread Lock Adhesive

Stern drive theft is on the rise, don't take a chance on losing your favorite outdrive or prop, for that matter be safe not sorry. Simply replace one of the stern drive mounting nuts with a McGard lock. Stern drive locks are fully machined from high quality stainless steel and through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock. Give yourself the best protection available against stern drive theft. Ask for McGard Marine Locks by name.