Spring loaded hinges self-closing 4 in. with durable steel construction. Spring loaded hinges 4 inches for doors/gates/entertainment centers/wood fences/wide entrances/metal doors. Doors will close automatically behind you and never open and slam shut again! Fits doors 1-3/4 inches thick - hinge thickness 2.7 mm.<br>Spring door hinge 4" self-closing with 8 holes for wood doors, standard doors, screen doors, master closets, basement doors, bathroom doors, laundry rooms. Door hinges are strong and durable. Easy to install and adjust. steel construction. Sturdy matte black full mortise and tenon spring hinges allow your doors to close smoothly and automatically. Each exterior door hinge matte black measures 4" x 4" and is 2.7 mm thick.<br>Door hinges 4 inch security are perfect for apartments, hotels, offices, hospitals, old schools, dormitories, quarters, hotels, living quarters, companies, kindergartens, nursing schools, companies, police stations/stations, stores, crypt, cottage, factory, shed, classroom, shed, canopy, library, gym, gymnasium, fitness center, palace, attic, loft, cellar, attic, basement, attic, loft etc. Smoothly operating sliding bearing hinges. Rugged design makes these interior door hinges long lasting.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.