50k 500k 5k 100k 10k linear-taper potentiometer 10 Kinds of linear taper rotary potentiometer kit WH148 3Pin 15mm Shaft with Nut and Washer Product name: linear-taper potentiometer Assortment Kit Type: 1k 2k 5k 10k 20k 50k 100k 250k 500k 1M Knob size(approx): 15 x 17 mm / 0. 6" x 0. 67"(D*h); knob color: Yellow, black; total height: 33 mm / 1. 3" . Shaft Length: 13 mm / 0. 51"; mounting thread diameter: 7 mm / 0. 3"; base size(approx): 17x 7. 3mm / 0. 67" x 0. 29"(D*h) Material: metal, electronic parts; net weight: 38g; Features: knurled shaft; shaft diameter: 6 mm / 0. 2 inch Main used to control electrical devices such as volume controls