Postal scale features a color-coded rate-indicating dial that indicates U.S.P.S. (First Class, Priority Mail and Express Mail) rates and weight. Designed for easy storage. Postal scale features a brushed aluminum platform and plastic body. Capacity covers most letters and some small packages. Color-coded chart highlights the type of service. Adjustment knob ensures scale is at zero. Replaceable dials (sold separately) are available for future U.S.P.S. rate changes. Accurate and dependable. Not legal for trade.