50pcs Fishing Strong Magnetic Sinker Quick Drift Adjustment Bottom Locator, Small

1. Detect water depth to locate the hook bottom
2. Precision craftsmanship with smooth, rounded edges. No burrs on surface / not scratch hook paint
3. Strong magnet design ensures powerful adhesion and prevents loss
4. Triple electroplating enhances protection. Corrosion-resistant, rustproof, and maintains magnetic strength
5. Grooved anti-slip design prevents hook disengagement
6. Waterproof and rustproof construction for all-water-body use
7. Thickness: about 2.5mm