How to tell what pitch drivers I have

[Jake jenkins]

I have a set of drivers from one of the doos I bought but not sure what pitch thay are can someone tell me how I can find out please and thanks

 

[Jake jenkins]

There 7 tooth

 

[summitstef]

If they're 7 tooth, I'd say 3.00" pitch...

 

[catinthehat]

I believe you measure from the center to center of the tooth gives the pitch.