An improved hinge particularly suitable for improving a truck tool box such as is conventionally mountable into a bed of a pick-up truck or the like, the hinge of the invention being decorative, less subject to tampering, capable of increased strength as a hinge per se relative to existing structures utilized in the manufacture of truck tool boxes as well as imparting increased strength to such tool boxes in total, and permitting more automated manufacture of such tool boxes, the hinge of the invention being integrally formed with a portion of the tool box lid and with an adjacent portion of the box to connect said lid and box yet allow ease of rotation therebetween to open and close said box.