STERN DRIVE LOCK SINGLE 7/16 (MCGARD)
Simply replace one of the sterndrive mounting nuts for theft protection. Stainless steel with free-spinning collar that will turn if attacked by gripping tools. No assembly required. Fits Mercruiser® Alpha, Bravo I-III (Incl. X & XR), Blackhawk, OMC Cobra & King Cobra, and Volvo SX & DP-S stern drives.
74019 twin drive set includes 2 locks and 1 key.