With 3 included strikes, our Stone Harbor Hardware casement latches ensure a great fit with your window setup. The base of this hardware measures 2 inches by 1-1/8 inches. The mortise strike plate measures 2-1/2 inches by 5/8 inches whole the surface strike plate measures 2 inches by 1/2 inches and the large rim strike plate measures 2 inches by 1-3/4 inches. All of the necessary mounting hardware is included for a hassle-free installation. Stone Harbor Hardware products are manufactured with durable materials to create a long-lasting and high-quality product that matches other Stone Harbor Hardware items of the same finish.