One-piece fastener for machine insertion. Brown enamel finish. Ultra-smooth finish and embossed installation prevents faster from catching on other papers or files. Eight outward bending tabs permanently grip folder and keep thickness to a minimum. Fastener can be installed in any position. Prongs are on 2 3/4″ centers. Available in either flat or formed styles. Formed fasteners are also available in solid brass by special order. Meet U.S. Government specifications. Order by size and style.