![GLTL Decade Resistance Box Adjustable Lab Rotary Resistor Substitution Box Precision DC Variable Knob Switch 0-99999.9 Ohms 0.5W: Amazon.com: Industrial & Scientific GLTL Decade Resistance Box Adjustable Lab Rotary Resistor Substitution Box Precision DC Variable Knob Switch 0-99999.9 Ohms 0.5W: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61+nJax+KcL._SL1024_.jpg)
GLTL Decade Resistance Box Adjustable Lab Rotary Resistor Substitution Box Precision DC Variable Knob Switch 0-99999.9 Ohms 0.5W: Amazon.com: Industrial & Scientific
![Amazon.com: Caja de sustitución de resistencias Elenco - K37 (forma de kit, requiere soldadura) : Industrial y Científico Amazon.com: Caja de sustitución de resistencias Elenco - K37 (forma de kit, requiere soldadura) : Industrial y Científico](https://m.media-amazon.com/images/I/81SMZndzJ1L._AC_SX425_.jpg)
Amazon.com: Caja de sustitución de resistencias Elenco - K37 (forma de kit, requiere soldadura) : Industrial y Científico
![Amazon.com: Elenco Resistor Substitution Box - K37 (Kit Form, Soldering Required) : Industrial & Scientific Amazon.com: Elenco Resistor Substitution Box - K37 (Kit Form, Soldering Required) : Industrial & Scientific](https://m.media-amazon.com/images/I/51ojnB4iAJL._AC_.jpg)
Amazon.com: Elenco Resistor Substitution Box - K37 (Kit Form, Soldering Required) : Industrial & Scientific
![Decade Resistance Box - Ideal Substitution for Standard Resistors - Ranges Over Four Decades - 0 to 11,110 Ohms - Eisco Labs: Amazon.com: Industrial & Scientific Decade Resistance Box - Ideal Substitution for Standard Resistors - Ranges Over Four Decades - 0 to 11,110 Ohms - Eisco Labs: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81pqnKTsLgL._SL1500_.jpg)