These 11 gauge 1/8 inch thick steel tie down rails are designed to mount on top of most Tuffy drawers and any solid mounting surface. They are a great way to organize and secure loose items such as a cooler or fridge, camping gear, and outdoor recreation equipment. The unique design works with security straps, cables, hook type tie down straps, bungee cords, nets, and a variety of other securing straps. Featuring grade 8 mounting hardware to positively fasten each heavy duty powder coated rail to the mounting surface.