What is the core of a shaft?

[proff49]

I'm going to re-grip my clubs and am seeing some different values for the core. Between my woods, hybrids, irons, and wedges I have five different brands of shafts. Is it possible I'll have to buy grips with different cores?

[twinke masta]

I'm going to re-grip my clubs and am seeing some different values for the core. Between my woods, hybrids, irons, and wedges I have five different brands of shafts. Is it possible I'll have to buy grips with different cores?

If you like one grip, you can get it put on any shaft. They can put tape under if it is too thin so all the grips feel the same in your hands. But most shafts are standard at the top in terms of "core". If this is what you meant.

[proff49]

I guess that's what I meant. The grips I'm looking at say they are .600 core. While looking at grips I've seen some other numbers. .580 is one that I remember.