Dura Safe Locks
Features a simple, one-piece design making it the easiest outboard motor lock to install. The brass lock barrel (shown in the open position in the top picture) is permanently attached to the sleeve and slides in and out for ease of use. Simply insert the key and turn ½ rotation to unlock. Pull the lock barrel out to the open position. Slide the sleeve portion over the outboard motor clamp screws and slide the lock barrel back into the closed position. The lock also features rattle proof lining and reversible keys for easy insertion. Fits most small outboard motors up to 40HP.
http://www.durasafe-usa.com

Flagship Marine Security Alarms
Since 1983, Flagship Marine Security has manufactured the broadest selection of marine alarms and accessories available. Products such as combination remote/keypad marine alarms, internal deck sensor processor, canvas sensors and marine friendly operation allows any boat owner or manufacturer to design a security system for any length or style boat. Every alarm is backed by our 24/7 rapid response technical support hotline for unparalleled customer commitment. So, if you are looking for a world class marine security system, look no further than Flagship Marine Security.
http://boatalarm.com

Fulton Performance Products
Fulton Performance Products manufacturers a complete line of marine jacks, agricultural and industrial jacks, trailer winches, couplers and loading ramps. In addition, we offer a complete line of locks and trailer accessories. Our products are sold world-wide to OEMs, Distributors, Dealers, Catalog Houses, and retailers.
http://www.fultonperformance.com

Trailor Tire Lock
Simple to use, store, and install. Our flagship product. Lightweight and tough as nails. Used by NATO troops and Home Depot rental centers. If you are looking for ease of use,... look no further!
http://www.tirelock.com