Simply substitute one of your winch mounting bolts with the ?Winch Lock?
. bolt and your winch is protected simple!Fits all winches with standard 3/8 -16 mounting hardware. Made from heat treated 1045 carbon steel, zinc chromate corrosion protection;Proprietary security key pattern;Hidden spring lock washer pocket ensures gapless installation;60 degree head taper to prevent removal with pliers;Simple fail proof design;Special coded security key allows for both end, and side access;California Residents: WARNING The key patterned head bolt is proprietary and the matching key is not available at your local retail hardware store. Factor 55 Winch Lock - 00001 The winch lock bolt is a custom 3/8-16 precision security bolt made from 1045 carbon alloy steel heat treated to Grade 5 yield strength.