Lund Universal Steel Underbody Box - WhiteSteel Underbody Boxes constructed with heavy duty steel and coated with black or white corrosion and abrasion resistant powder coated finishes, LUND's underbody boxes provide heavy duty truck drivers with a secure, convenient storage solution. Designed with weatherproof gaskets to seal out dirt and moisture, these boxes also have commercial grade lockable stainless steel T handles to secure contents. Available in three sizes to fit most heavy duty