Constructed with hard coated anodized aluminum casing, making it , and wear for a long service life. Standard size flat type, compact structure, compatible with all mainstream of plasterboard flat box handles. Wallboard finishing box designed for perfect finishing of butt and flat joint edges, whether applying a first coat or a final finish. Easy operation with a fixed hinge for quick opening and cleaning, along with a back for better hand manipulation. Easy to open by turning the screw counterclockwise, facilitating installation and removal, ideal for home wall painting and finishing., Manufacturer: Akfldms