Specification: Product Name: Wheel Potentiometer Model: B503 Resistance Value: 50K ohm Features: 5Pin Wheel Size:16 x 2mm / 0.63" x 0.08"(D*T) Material Metal ,Electronic Parts Weight :16g Package: 20Pcs x Wheel Potentiometer Description: Dual dial potentiometers are an excellent choice for controlling stereo volume levels and other compact potentiometer needs.