The Yellow Parts EZ1206 potentiometer has a push-pull design, a linear taper and a 500k resistance, making it a great match for high-output pickups like humbuckers.
You can use the 500 kOhms logarithmic EZ1198A by Yellow Parts as a tone potentiometer in a (bass) guitar with high-output pickups such as humbuckers.
The Yellow Parts EZ1197A is a logarithmic tone potentiometer for guitar and bass guitar, for instance. Use this 250k version for single-coil pickups.
The Yellow Parts EZ1197B is a linear potentiometer for instruments like guitar and bass, and is generally used as a tone control. Use this particular 250-kOhm version for single-coil pickups.
The Yellow Parts EZ1198B is a linear potentiometer (commonly used for tone) for your (bass) guitar, for instance. 500k is perfect for high-output pickups.