Heavy-duty brass parliament hinges feature an extended knuckle design that allows doors to swing completely clear of deep architraves or trim up to 180 degrees.Design & Function: The projecting knuckle pushes the pivot point away from the door frame, making them ideal for doors with wide moldings, shutters, or double doors folding back against a wall.Material & Durability: Crafted from solid brass with an antique brass (AC) coating, providing high load-bearing capacity and corrosion resistance for heavy interior or exterior wooden doors.