Postal scale is great for large letters & small packages. Dial indicates U.S.P.S. (First Class, Priority Mail & Express Mail) rates & weight. Purchase new rate dial when postal rates change. Compact design for easier storage. Postal scale offers a polished steel platform & high-impact, plastic body. Larger platform provides more weighing space. Bigger dial face is easier to read. Weight is displayed in pounds & ounces. Color-coded dial highlights the type of service. Adjustment knob ensures scale is at zero.