One piece compact European hinges for face frame cabinets. Made by Grass in the USA. Installation Uses a 2.5mm (3/32") bore distance. Uses an 11mm (7/16") cup depth. Works on door thicknesses ranging from 13mm (1/2") to 19mm (3/4"). Features front tabs for help installing on the cabinet face frame. The screw hole spacing refers to the distance between the center of the two screw holes in the back of the door. Use the link found under Resources if you need help determining your overlay. Fasteners The screw that holds the mounting plate to the face frame is not included (use our SKU 272414). For the cup side, two plastic dowels and two dowel screws are included. Dowels and dowel screws are recommended for doors that are made from pressed or manufactured wood. Dowel screws are regular wood screws that are slightly shortened and a blunt version of a wood screw. For solid wood doors discard the dowels and use two #6 wood screws. These are not included (us our SKU 652360).