Butt hinge consists of two rectangular leaves that attach to the abutting surfaces of a door and door jamb. Hinge is usually mortised or recessed into both surfaces that are joined together by a hinge pin. Constructed of UV-resistant, injection-molded fiberglass nylon with a corrosion-resistant stainless-steel pin. Installs with four #8 FH fasteners (not included). 1-3/8"H x 1-1/2"W.