Protect yourself against expensive propeller theft. Machined from naval brass and hardened stainless steel, this lock features a free-spinning collar that will turn if attacked by gripping tools, without loosening the lock.
- Replaces the original propeller nut and washer
- Mercruiser: Alpha I, Bravo I, TRS
- OMC: Cobra and Ding Cobra
- Outboards Mercury/Mariner: 70 hp and larger
- Johnson & Evinrude: 140 hp and larger
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