Dopro 5pcs Audio Guitar Pots Tone 500K Electric Guitar Large Pots 24mm Base with Long Split Shaft Guitar Potentiometer A500K

Audio Taper (A) increases or decreases in a sloped curve fashion Linear Taper (B) increases or decreases in a linear fashion Audio Taper (A) are always used as Tone and Linear Taper (B) are always used as Volume, but you can use Audio Taper as Volume and Linear Taper as Tone as well, it usually depends on your personal preference