Matt Bronze Hook Plate Sash Window Fastener

Matt bronze hook plate sash window fastener from Heritage Brass. To be used on a sash window where the window and the frame are flush when closed. Supplied in two halves, one for fitting to the window and the other to the frame. One half has an arm and the other is a hook plate. To lock the window the arm is positioned at 90 degrees behind the hook plate, preventing the window from opening. Each plate measures approximately 69x20mm.