This versatile kit can be mounted in a wide variety of locations.? Simply fasten the round powder coated black aluminum bases (using the hardware provided) to your desired locations and snap the Anchor Point Rings into the base. This tie down kit allows you to have the versatility of using just about any tie down strap with a hook to secure items. This kit includes (4) 2" bases, (4) anchor point rings, and all the required hardware.? The anchor rings are extremely strong with an assembly break strength of 4000 lbs and work load limit of 1,333 lbs.