Commercial PRO HD Steel Cross Bed Boxes Constructed with heavy-duty 16-gauge steel reinforced by expert craftsman hand TIG welded seams; Commercial PRO HD boxes keep equipment safe and dry. The reinforced and insulated high dome lid featuring an ultra-tight weatherproof bulb seal, adjustable J-bolt striker mount, and heavy-duty aluminum piano-style hinge bolts lid to box body for unequaled strength and durability - even in the coldest weather. Steel: • Constructed with heavy-duty 16-gauge steel • Secure, 3-finger lockable double latch, paddle handles • Steel hinges for long life in all weather conditions • No-weld installation bolts lid onto box body for heavy rugged long life • Full 90+??+?-? automatic self-rising lid for easy access • Rigid foam filled lid for increased box strength • Long lasting heavy duty piano style hinge design • Secure cargo with two stainless steel D-ring tie downs • Protective linkage cover keeps lock and contents safe • Commercial D-shaped weatherproof bulb seals keep moisture out • No-weld installation bolts lid onto box body for heavy rugged long life • Sectioned, movable, and lockable steel tray organizes tools • Side pocket organizers • Single lid and gull-wing styles available • Includes no-drill mounting hardware and non-skid mat • White or black electro-statically applied powder coated finishes for maximum corrosion and abrasion resistance