Tool Chest. Recessed and concealed lock protectors for maximum security against drilling and cutting lock. Enhanced lid bolster for added support and durability. Finger-groove lid handle for easy opening. Steel support arm(s) to hold lid in open position. Heavy-duty piano hinges with non-removable pin. Patented, ergonomically designed fold-down recessed handles. New angled 3-1/2 inch high support skids feature threaded holes for easy caster installation. Recommend No.1 and 5 Masterlock padlocks or equivalent.