High Strength Fishing Magnet Rope Included: Diameter 5.0mm(0.196inch)* Length 20m Nylon high strength nylone Rope included , you just only take it and go fishing directly without other anything. Multi-Use for Retrieving Magnet: Design for heavy duty and underwater application, ideal for fishing, lifting or recovering lost ferrous objects under water, for example water pump, ferrous tools, breakage of heavy metal objects, ancient objects. Also hanging, fixing application and hobby worldwide Good Corrosion-resistance Magnet for Fishing: Ni+Cu+Ni Tripler Layer good corrosion-resistance coating, used both in fresh water and in marine. Steel shell can avoid the naked magnet from scratching and chipping. Loss of magnetic properties no more than 2% within 10 years Warranty of Super Strong Magnets: All production processes carry out strictly per IS09001:2008 quality system.