United States Postal Scales PS200 20-Pound Electronic Postal Scale for $33.82

Ideal for home offices or small businesses that send out a high volume of mail, the PS200 postal scale helps you determine the correct postage for any item weighing between 0 and 20 pounds. The scale is equipped with four optimally placed single-strain gauges and a temperature-compensated load cell. In layman's terms, this means the scale is precise to within 0.1 of an ounce, so you needn't worry about your mail being rejected because of insufficient postage.