Abstract: Hinge construction for joining two relatively movable members. The hinge is particularly adapted for construction from plastics using known molding techniques and for incorporation into plastic molded parts. Identical hinge halves are formed to present, in each half, a planar mounting portion and a hinge tube section. The planar mounting portion is characterized by a peripheral tongue which is received within a peripheral groove of a socket in the respective member. The hinge tube section of each hinge half has opposed protuberances at one end which extend part way along the length of the section and into the tubular opening. When two hinge halves are placed with their tube sections aligned, the latter form a tubular hinge opening. A hinge pin is provided with opposed grooves which are complemental to the protuberances and disposed for alignment with the latter. The hinge pin may thus be inserted into the tubular hinge opening and held therein upon rotation to a nonaligning position.