Hawthorne & Reid, Soft Close, 1/2" Overlay-Concealed Hinge. Concealed euro style face frame cabinet hinge with soft-closing mechanism built in to hinge arm, 1/2" overlay. Nickle plated wrought steel, with cast zinc cam adjustable mounting plate. Unique design eliminates the large gap between the door and face frame. 105* opening Angle.
http://www.ovisonline.com/Soft-Close-Concealed-Cabinet-Hinge-12-inch-Overlay-P1681C42.aspx