Open box sealed parts inside Enhance the appearance of your windows with these TSI Prime CB4103 Chamberlain white 3" end caps. Designed to fit seamlessly with your existing cornice boards, these end caps provide a clean and polished finish, ensuring that your window treatments look professional and complete. Made from high-quality materials, these end caps are durable and long-lasting, making them a great investment for your home or business. Whether you're replacing old end caps or upgrading your window treatments, these Chamberlain whites are an excellent choice.