1. Material: 45-gauge steel with diamond-coated grit + PP rubber handle 2. For sharpening knives, fishhooks, needles, and more. No oil is needed for sharpening. Add water as needed to extend the lifespan. Wipe dry after use! 3. Three-sided grinding structure allows for simultaneous handling of fishhooks with varying tip angles and thicknesses (such as anchor hooks, lure hooks, and stream hooks), adapting to complex hook shapes. 4. Grinding groove design for faster and smoother grinding. 5. High-density diamond coating, far harder than traditional grinding stones, easily handles hook tips made of carbon steel and titanium alloy. 6. Rust-resistant and corrosion-resistant surface. Stable performance in humid environments (such as sea fishing). 7. Palm-sized lanyard design for easy portability outdoors. 8. Weight: 18g 9. Dimensions: length 101mm, width 11mm, cord length 260mm 10. Note: hook not included
