- Compatible with various arrows: suitable for carbon, fiberglass, and aluminum arrows. Can be used to grind the nock and nock section for a flat fit. - Effortless and smooth polishing: striped knob design minimizes slipping, reducing effort and enabling a smooth polishing experience. Rotation is stable and precise, delivering a consistent, polished finish. - Wide compatibility: works with most arrow shafts across different types, providing strong adaptability to various shaft geometries. - High bearing design: equipped with high bearings for smooth rotation, enhancing grinding performance and control. Use scenarios - Prepare carbon arrows for flat-fit nocks to ensure consistent seating and flight. - Polish and align the nock area on fiberglass or aluminum arrows for a precise fit. - Efficiently service multiple arrows on site, achieving repeatable, high-quality grinding results.