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Easy Zeroing. Precise Angle Measurement.
Simplify angle measurement with the Zero Level Adapter for Hapstone S4. This compact accessory mounts directly onto the sharpening system, providing a convenient surface for installing and zeroing the Mini Digital Angle Gauge.
Angle Gauge Setup
The adapter provides a stable reference surface for zeroing the digital angle gauge, helping ensure accurate and consistent sharpening angle measurements.
Magnetic Attachment
An integrated metal plate provides a magnetic surface for securely attaching the Mini Digital Angle Gauge, keeping it stable during zeroing.

Easy Installation
Designed specifically for the Hapstone S4 sharpening system, the adapter mounts directly onto the unit for quick and convenient angle gauge setup.
Please note: The Hapstone Mini Digital Angle Gauge is sold separately.


