The rotary limiter window gap opener from Marchesi Door Hardware is a functional accessory for flush window doors. It is designed to limit the opening movement of the doors, ensuring safe handling. Made from high-quality nickel-plated brass, this door fitting not only offers an attractive silver finish but also provides high durability and resistance to wear. The rotary limiter is specifically designed for flush doors and is ideal for use in residential and commercial spaces where controlled window opening is important. With its robust construction and easy installation, this door fitting is a practical solution for anyone who values safety and functionality. The item is offered as a single piece and is a valuable addition to any door installation.