Yellow mag ii supersedes its heavier predecessor and inferior copies. We replaced heavy Robust, The old steel support plate and updated the magnet mountings to allow some flexing to better accommodate weld seams rough surfaces, And curvature like paint, Corrosion scale of ensuring maximum, Ship hulls grip in adverse conditions. Yellow, Mag ii may serve as a magnet to secure accommodation ladders, Floating oil spill booms and maintenance vessels. Improved, Patented nl2011620 yellow mag ii pilot ladder magnet features include 1. 6 kgs lighter in weight than old steel, Based versionsn42 grade or better neodymium magnet material. Flexible base and magnet mountsbetter grip on rough surfacesstainless steel ring for tie off>450 kg tested gripping power per unit but removes easily with lever handlesupplied as single units or in set of 4 in strong marine ply box.