Guru Window Fastener Standard Keeps SKU: Guru Window Fastener Standard Keep Pinit Quantity discounts available QuantityPrice Quantity -+ Add to Basket DescriptionCasement window keep for use with the Guru casement window fastener.Nose of the Guru handle locates into this keep holding the window tightly and securely.All finishes meet the requirements of BS EN 1670:2007 Grade 5 (480 hours) for Corrosion Resistance.DocumentationPDF Datasheet: Download