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G3 Golf Lab
G3 Golf Lab

Everything you need, where it should have always been.

The GreensKeeper started as a simple frustration: golfers who respect the game take care of the green, but the tools to do so are either in the way or left behind. G3 Golf Lab set out to fix that, integrating everything you need for the green directly into your putter grip. So where your putter goes, everything goes.

Built out of necessity. Refined for the game.

Premium grip

Ultra-tacky putter grip. Built for consistent performance in all conditions.

Magnetic cap

Dual-purpose by design. Your ball marker seats magnetically and releases with one smooth motion.

Precision tool

Machined stainless steel with a comfort grip. Precision weight, premium feel.

gear up for the green

The first batch is limited.

Get early access.

The first 250 coming Fall 2026
No spam. Just G3 updates.

Thank you!

© G3 Golf Lab LLC

MICHIGAN Based

Patent Pending