This is a 12-pack of black projection brackets with belonging hardware screws for security bar window guards. The brackets have a minimum width of .375 inches and a maximum width of .375 inches. They have a minimum height of 3.375 inches and a maximum height of 3.375 inches. The bar spacing is 0 inches and the guard style is vertical. The bar type is spear point and the finish is black. The brackets are adjustable and impact-resistant. They are designed for exterior mounting on walls. Hardware is included in each bracket