CHANGING THE WAY THINGS ARE LOCKED! The IronFist Lock Base is the heart of our brand. This unique anchoring point holds multiple US Patents. The IronFist mounts to your truck bed, boat, trailer, UTV, golf cart, or just about anywhere you want to lock something down. Our special design makes sure the locking mechanism is encased within the 304 Stainless Steel IronFist for full protection. The IronFist Lock Base can be paired with a number of DENY adaptors, the most common being the cooler STIFFARM Locking Bar! Comes with a breakaway nut to beat the worst of thieves! Designed and tested to MIL-STD-810 G for off-road vibration, salt fog, and humidity durability Only ONE lock needed! StiffArm Locking Bar NOT included.