Equipment and tool boxes for trucks, trailers and more. Stainless steel tool chests and job boxes. Find a huge selection of truck tool boxes for the bed of your pickup. Diamond plate tool boxes in silver and black, low profile versions, and wheel well configurations. Better Built Under Body Steel Truck Box See all Truck Boxes. Compare. Designed for trucks and trailers, under-bed tool boxes are built tough with ample storage space for tools and other equipment. Buyers Products Stainless Steel Door Underbody Tool Boxes.