IET Labs RS-201 Resistance Decade Box, 0 to 9999999 Ohm

The RS Resistance Substitution Box is the most commonly used decade box on the market today. The RS Series Resistance Substitution Box is not only easier to use, but it is also priced lower than all of its competiton. The RS Series resistance substitution box are an economical, indispensable collection of tools with a variety of uses in engineering, design, troubleshooting, or service fields.