Used primarily for casement windows, wide swinging shutters, and deep set casement windows, idh's parliament hinges are made based on original classic designs that became popular in the early 20th century. This parliament hinge from ide is made of high grade extruded brass that is 1/2" thick, perfect for heavy duty applications. This hinge also comes in the Following sizes: 2-1/2" x 3", 2-1/2" x 3-D/2", and 2-1/2" x 4-D/2". This items is sold in pairs.