Introducing TrueLine – The Smarter Ball Marker

TrueLine: The Golf Ball Marker That Makes Every Putt Count

When we created TrueLine, the goal was simple — help golfers line up with more confidence and less faff. No gimmicks. Just better alignment.

Backed by clean engineering and real feedback, this is more than just a marker — it’s a smart tool for players who care about precision on the greens.

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Where TrueLine Started

Born under the Kaluza brand, TrueLine was developed with one purpose: to improve your putting alignment without overcomplicating things.

It features a pivot-point design, allowing you to fine-tune the angle without moving the marker. Designed in the UK. Built for competitive and casual golf alike.

How It Works

Just place the TrueLine behind your ball, set your desired line, and go.

Unlike typical flat markers, the rotational pivot point lets you adjust without resetting your mark — ideal for last-second reads or partner confirmations in pairs.

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It’s a cleanly built, functional marker with purpose and is currently at R&A for conformance.

No distractions. Just focus.