●??【Super Stronger Fishing Magnets】: 660lbx2 vertical magnetic pull force on base of 1.18"(30mm) thickness steel plate due to neodymium magnet N52. ●??【High Strength Neodymium Magnet Rope】: Included diameter 6mm(0.23inch)* length 20m (65Ft) high strength salvage rope included, you just only take it and go fishing directly without other anything. ●??【Multi-Use for Retrieving Magnet Design】: Undergo 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 triple 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. ●??【After Sale Service of Super Strong Magnets 】: All production processes carry out strictly per IS09001:2008 quality system. All fishing magnets undergo extensive testing for tensile strength,we offer 365 days after sales service for all MUTUACTOR magnets .