McGard Marine Stern Drive Lock Set - Mercruiser/OMC (7/16-20 Thread Size)
The best protection available against expensive stern drive theft. Simply replace one of the stern drive mounting nuts with a McGard lock. These stern drive locks are fully machined from high quality stainless steel and are through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock.
This set only replaces 1x nut on your drive. Not all.
Fits the following stern drives:
Mercruiser Alpha, Bravo I-III (Incl. X & XR), Blackhawk, OMC Cobra & King Cobra, Volvo SX, DP-S
Thread size: 7/16-20
Hex Size: 5/8
Finish: Stainless steel
Length: 0.75"
Finish: Stainless steel
Length: 0.75"
