Uxcell 6mm Shaft Di Amp B500K 500 K Type B Single Linear Potentiometers (4 Piece) Product Name : Potentiometer; Resistance Value : 500K ohm; Power : 1/2W Adjustment Type : Top Adjustment; Type : Single Linear (Type B); Features : Knurled Shaft Shaft Diameter : 6 mm / 0.24"; Shaft Length : 13 mm / 0.5"; Thread Diameter : 6.5 mm / 0.25" Base Height : 7 mm / 0.27"; Base Diameter : 16 mm / 0.63"; Main Material : Metal, Electronic Parts Weight : 26g; Package : 4 x Potentiometers