Whitco Series 25 Window Casement Fastener Lockable Window Casement Fastener is used in in areas like a kitchen or bathroom that want the most ventilation possible. They can also be found above obstacles like kitchen sinks, where they are used to facilitate opening and closing. Window Casement Fastener Function - Window Casement Fastener Function - to secure and control the movement of casement windows, which are windows that are hinged on one side and open outward like a door. Features: Contemporary design Non-Lockable Positive fastening Zinc diecast construction Combination pull and fastener Australian made with imported cylinder Specifications: Lockable: No Available Handing: Left Hand Right Hand Available Finish: ????? Black Bright Chrome Satin Chrome White