The GEM Tie Down Eyes Kit is a simple and economical way to add super strong and simple tie down points wherever you need them. They can also be used up against the side of ladders, lumber or other items to act as load stops and then secure over the top of the item with a strap. GEM HD Crossbars feature compatible t-slots on both top and bottom so you can position these tie down eyes wherever you need them. The t-slot design will also fit many other brands of roof racks and carriers if you are looking for a simple and practical tie down solution.