WEATHER GUARD® Lo-Side Truck Boxes provide easy access to hand-held saws, power drills, tool belts, hammers and other tools while keeping the bed of your truck clear for larger items. Lo-Side Boxes can be used separately or in combination with Cross Boxes or Saddle Boxes and come in different sizes and styles to match your truck and your trade. All WEATHER GUARD Truck Boxes mount for a low profile over the side rails of your pickup and are made of heavy-gauge steel or aluminum and built to last