1pcs B50K 50K Ohm Dual Linear Taper Volume Control Potentiometer Switch High Quality Top adjustment type and knurled shaft for easy operate in daily use time. Main used to control electrical devices such as volume controls on audio equipment. Knurled shaft with split design for push-on knob. With turning on/off Switch Function Model : R125G Resistance Value : 50K ohm Adjustment Type : Top Adjustment Type : Dual Linear(Type B) Pin Terminal : 8 Shaft Diameter : 6mm / 0.23" Shaft Length : 13mm / 0.5" Thread Dia : 7mm / 0.27" Base Height : 13mm / 0.5" Material : Metal w Electronic Parts Package : 1 x Potentiometer Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3 cm. _x000D_ _x000D_