The No 3916IC Soss hinge with automatic closer consists of scissor-like arms which extend when pivoted, and an adjustable tension spring which returns the door to a closed position. The hinge is completely invisible when the door is closed. The hinge measures 4-5/8″ x 2-3/4″ for use with doors a minimum of 1-3/8″ thick. For doors a minimum of 1-3/4″ thick, order the No 3918IC, and for 2″ doors, the No 3920IC. Finish options are limited.