A smart and sturdy solid round-bar Window casement fastener for timber or aluminium Windows. The bar is narrow at the knuckle joint increasing in diameter towards the end resulting in a chunky solid feel. The round bar Window fastener is principally used with the matching round bar Window casement stay to achieve a consistent style. It has a sleek, minimalist design, making it ideal for discreet fixings in contemporary homes and modern office blocks. Comes with a 10 year mechanical guarantee. Not suitable for weather stripped Windows.