Heads up to the next guy that looks at these taper B 10K pots.

They are not completely straight linear, they have a slight curve at the 25% and 75% curve.

They are between the taper B3 and B4 on page 4:

https://www.bourns.com/docs/Product-Datasheets/PTL.pdf


These are NOT taper B1. They sure are smooth though.