Fret Whapper – Hand Tool Handle for StewMac Fret Press Cauls

The Fret Whapper is a handle attachment designed to work with StewMac fret press cauls. Fret press cauls are normally used in an arbor press, but when paired with the Fret Whapper, the caul becomes a controlled, hand-driven tool for seating frets at the bench.

This tool does not replace a fret press. Instead, it gives luthiers the flexibility to use the same press cauls they already own in situations where a full arbor press setup is impractical or unnecessary.

The original idea was developed by Brent Gable, based on the simple insight that a fret press caul can be just as effective when driven by hand, as long as it has a solid, well-designed handle.

The Fret Whapper is ideal for touch-ups, partial refrets, and situations where you want the precision of a fret press caul without committing to a full arbor press setup.