Powerful N35 Magnet with 20ft Rope, Ideal for Fishing, Recovery Underwater Exploration

Depends on shiny and anti-rust coated steel cup, magnet can be protected well to prevent chipping or cracking. Widely , double-sided magnet is with Ni + Cu + Ni three-layer coating to keep more unique apperance. Rather than original plastic ring, this magnetic hook adopts epoxy resin inside with permanent magnetic force. Supports the function to retrieve lost or discarded items and historical relics, such magnet is suitable for underwater treasure hunting / fishing and searching in rivers or canals. When rowing or kayaking, to drag scrap, lifting, holding / hanging tools and other items along the bottom.