Additional Information
Features
Important Protection For Your Stern Drive! Made of naval brass and hardened stainless steel, McGard locks feature a free-spinning collar that turns if attacked by gripping tools, without loosening the lock. Simply replace one of the nuts holding the stern drive and tighten with the special key tool provided. Fits Mercruiser Alpha & Bravo and OMC Cobra & King Cobra stern drives. 7/16" thread.
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Specs
Unit Weight | 0.32 lb |
---|---|
Brand | McGard |

WARNING: Cancer and Reproductive Harm
For more information, go to www.P65Warnings.ca.gov/product.
Reviews
Q & A
Important Protection For Your Stern Drive! Made of naval brass and hardened stainless steel, McGard locks feature a free-spinning collar that turns if attacked by gripping tools, without loosening the lock. Simply replace one of the nuts holding the stern drive and tighten with the special key tool provided. Fits Mercruiser Alpha & Bravo and OMC Cobra & King Cobra stern drives. 7/16" thread.
Show moreShow less
Unit Weight | 0.32 lb |
---|---|
Brand | McGard |

WARNING: Cancer and Reproductive Harm
For more information, go to www.P65Warnings.ca.gov/product.
Rated 5 out of
5
by
Paul from
Awesome locks! Awesome price! Thanks!!
Wish I'd had these BEFORE my $10,000 out drive was stolen!! At least these will protect my replacement.
Date published: 2015-08-22
Rated 5 out of
5
by
Wayward One from
Excellent product
The Mcguard double outdrive lock was very easy to install,and they look just dandy also
Date published: 2009-05-19