Aluminum Construction: Lightweight yet strong, matte black aluminum screen door hinges ensure durability and longevity even in harsh weather conditions. Widely Applied: The sleek and modern look complements any door frame while resisting fingerprints and smudges. It can be used in kitchen, closet, indoor and outdoor, etc. to meet your multifaceted needs. Smooth Swing Design: Precision-machined 1/8-inch grooved centers for seamless, quiet operation every time. Easy Installation: Easy to install for quick and secure attachment to screen doors. Includes: Includes four hinges and a package of screws for full support, ideal for standard-sized screen doors that require additional replacement.