[IMPORTANT NOTE] Please, double-check your preferred handing before ordering. This is determined by the hinge side of the window when viewed from the exterior. This product is designed for windows 20” to 32” wide up to 60” high with a maximum sash weight of 60 lbs – using 14 series Casement Hinges. [⚙️ IMPROVED FUNCTIONALITY] The 15 Series EntryGard Window Crank Handle provides better support and stability for your casement windows, making it easier to handle heavier windows with ease, ensuring a smooth and consistent operation. [💪INCREASED DURABILITY] This product has a high-pressure, die-cast zinc base that is E-Gard coated, with gears and drive worm made of hardened steel. This makes the design more durable and long-lasting, reducing the need for frequent repairs or replacements. [🔒ENHANCED SECURITY] The well-designed window operators handle additional security features, making it ideal for homes with children or pets. Casement windows completely shut on all sides, making intrusion extremely difficult. [🚚 FREE RETURNS] We offer free returns on all our products. If you have any problem with the item or your order, please reach out to us for assistance. All our products are protected under Truth Warranty for Window & Door Manufacturers & Authorized Distributors to ensure the comfort and safety of your home. [⚡BETTER ENERGY EFFICIENCY] A well-sealed and properly operating window can help reduce energy costs by preventing drafts and controlling temperature fluctuations, making your home more comfortable and reducing your energy costs. DESCRIPTION The #15.10 Dual Arm Casement Operators 4 - 7/16" from AmesburyTruth Hardware is a reliable solution for your window operator handle needs. Designed for double- or triple-hung casement windows, it fits windows 20"-32" wide and up to 60" high with a maximum sash weight of 60 lbs. Made with chip- and scratch-resistant materials, this window lock is durable and long-lasting. Get quality window parts from Window Hardware Company, an authorized distributor of AmesburyTruth Hardware with a proven track record since 1995. Rest assured that your home will stay secure with the best parts in stock, 100% guaranteed.