Pro-Tech Aluminum Alloy Boxes PROTECH STORAGE BOXES. SECURE. WEATHER RESISTANT. Pro-Tech Aluminum Alloy Boxes are made with 1/8” thick commercial-grade aluminum alloy, Continuous stainless steel hinges, positive control stainless steel locks, aircraft-type fastener attachment of lids, automotive quality seals, full continuously welded seams and joints. Box have Diamond Plate Lid and Mill Finish Body 54-8211, 54-8011, 54-8211-28, 54-8440 Still looking for the perfect part? Having trouble finding it?Call our product experts at 603-224-7370 and let us lend a hand. EXTRAS Extras The following products are meant to be used or paired with the product above. Extras may also provide alternatives to the product you're seeking. Pro-Tech Cab Guard Tool Box (Diamond Plate or Smooth Polished Lid) Polished Aluminum Slope Lid Tool Box Tool Box Mounting Brackets Still looking for the perfect part? Having trouble finding it?Call our product experts at 603-224-7370 and let us lend a hand.