Choosing the Right .370 Putter Shaft for Your Game

If you're looking to customize your flat stick, choosing the right .370 putter shaft is probably the first technical hurdle you'll run into. It's one of those specs that sounds incredibly boring until you realize that buying the wrong size means your brand-new shaft simply won't fit into the clubhead. I've seen plenty of golfers get excited about a high-end upgrade only to find out their putter hosel is a different diameter entirely. ...

May 18, 2026 · 6 min · Halford Tanikawa