ITEM NAME:2Pcs B20K 20K Ohm 8mm Shaft PCB Mounted Linear Dual Potentiometer N1L2 2Pcs B20K 20K Ohm 8mm Shaft PCB Mounted Linear Dual Potentiometer N1L2 Product Name : Dual Potentiometer; Resistance Value : 20K ohm Adjustment Type : Top Adjustment; Type : Single Linear (Type B) Features : Knurled Shaft; Shaft Diameter : 6mm / 0.2"; Shaft Length : 8mm / 0.3" Mounting Thread Diameter : 7mm / 0.3"; Base Size : 17 x 9.3mm / 0.67" x 0.37"(D*H) Total Height : 26mm/1.02" Package : 2 x Potentiometer Material : Metal, Electronic Parts Net Weight : 16g 6 Terminals, Single Linear (Type B), Suits Most Standard Knobs. 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.