Our collection of sash furniture is available in various finishes designed to flawlessly match the rest of our products.Designed to fit to the frame/box and restrict movement of the sash window.Ideal for adding extra security to upper floors, particularly for homes with children, these lockable stops are insurance compliant.Sold in sets of four (enough for two windows if not used in a night-vent configuration).If night-venting is required, the third and fourth stops should be fitted 100mm above the first and second to restrict full opening of the window.The secure stop is non-load bearing and therefore is not subject to the requirements of BS EN 14351-1.Supplied with matching SS wood screws.Our Black finish is a popular choice in traditional settings. Its subtle sheen offers a bold contrast on stained and painted timber alike. During the manufacturing process, our Black products are baked in a high-temperature oven, giving them durable, corrosion-resistant qualities.Insert Diameter: 10mmStop Projection: 19mmStrike Plate: 26mm x 19mm x 2mm.