Flap opens flush with inside shelf. Fits flush in door and shelf surfaces. Completely concealed from exterior. Uses 30mm Forstner or flat boring bit 5mm from edge of panel. White, Brown or Black Nylon with Steel and Brass linkage.
HKOMPAC8 5/16" thick for 5/8" wood
HKOMPAC11 7/16" thick for 3/4" wood