Review on Effortless Installation: (4 Pack) Easy Mount Aluminum Tie Downs - Secure Truck Tool Box Clamps by Steven Darkshnar

Okay those are bee knees. I installed my truck tool box on Wednesday, they arrived Saturday and my J-hooks were already loose even though I tightened them enough to deform the aluminum box. Anyone who's installed a truck toolbox knows how lame the J-hooks are: you overtighten and warp the slot in the toolbox. In addition, they only touch a tiny point on the edge of the bed rail. They also protrude into the air in the side channel of your tool box and take up space where a tool would otherwise lie. Well they fixed all those problems. They clamp under the actual bed rail and also put pressure on the bottom of the tool box so you can tighten them properly without bending the aluminum tool box. They come with nylon nuts so they need to stay tight. In the tool box you only see a 1/2" screw head. The only downside I can think of is that a savvy thief with a few tools could "probably" remove them while the box is closed and latched , but maybe not, there's quite a tight squeeze between the box and the truck, the J-hooks are only tightened from the inside of the box, so they can't disengage from the outside of the box, I don't really think that this is a problem and I don't park my truck in places where I would have to worry about it, I just found it worth mentioning.