15mm 20mm Variable Resistor Potentiometer Pot Resistance Linear Taper B1K-B100K
Usher is very convenient. It consists of a resistive body and a rotating or sliding system. Handle type: Short(15mm) / Long(20mm). Resistance range: 10KΩ - 1MΩ. Resistance tolerance: ±20%（more than 1MΩ ± 30%）.