Elenco Resistor Substitution Box K37 Kit Form Soldering Required

Are you a Do-It-Yourselfer? Hone your soldering techniques on Elenco's Resistor Substitution Box Soldering Kit. The Resistance Substitution Box is a convenient instrument in determining the desired resistance values in circuits under design or test. The values selected for your resistance substitution box were determined to be the most commonly used in modern solid-state circuits. The values are from 10? to 1,000k? (1 meg) in 24 steps. All resistors are 5% tolerance 1/2 watt. From the company that brings you Snap Circuits - 9 volt battery not included. - MADE IN THE USA - Elenco was founded more than 30 years ago by 2 engineers. The core of Elenco is still strong engineering and design skills. Elenco test equipment has proven to be reliable as well as affordable. Elenco supplies Universities and High Schools with quality educational kits and materials.