Uxcell B50K 50 K Adjustment Double Linear Rotary Taper Potentiometer (4 Piece) Product name : potentiometer; resistance value : 50K ohm; adjustment Type : top adjustment Type : double linear; features : knurled shaft; shaft diameter : 6Mm/0.23" Shaft length : 12Mm/0.47"; thread Diameter : 7Mm/0.27"; base height : 11Mm/0.43" Base diameter : 16Mm/0.63"; material : metal w electronic parts Weight : 31G; Package : 4 x potentiometer