ITEM NAME:One Linear Type 3 Terminals Rotary Taper Potentiometer 20K Ohm 5 Pcs Q8T5 One Linear Type 3 Terminals Rotary Taper Potentiometer 20K Ohm 5 Pcs Q8T5 Product Name : Potentiometer; Resistance Value : 20K ohm Adjustment Type : Top Adjustment; Type : Single Linear (Type B) Features : Knurled Shaft; Shaft Diameter : 6mm / 0.23"; Shaft Length : 13.5mm / 0.53" Thread Dia : 7mm / 0.27";Base Height : 8mm / 0.31"; Base Diameter : 15mm / 0.6" Package : 5 x Potentiometer Material : Metal, Electronic Parts Weight : 36g 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. 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..Knurled shaft with split design for push-on knob.