Seymour S400 jobsite atlas Medium-Duty post hole Digger has northern hardwood handles with square butts bolted into sockets. Forged high-carbon steel frame with heavy double hinges. Blades are 9 in. L x 5.5 in. W., riveted to heavy shouldered frame. 48 in. Lacquered handles. 5 in. Pt. Spread. Blades & frame enameled blue. Designed for all types of heavy or gravel soils.