Strong Magnetic Hooks Heavy Duty 100 Pound Powerful Neodymium Rare Earth Strong Magnet Hook with 3 Layers' Ni Strong Corrosion Protection Ideal for Indoor/Outdoor Hanging (silver Pack of 4)

b>INTRODUCTION magnetic hooks compact and lightweight inlaid with a super-strong force of the latest generation of ‘Magnetic King’ called super permanent magnet which can be strongly attracted by iron steel nickel and other ferromagnetic material. YOU MUST KNOW! -Whether magnetic hooks can hold 0lb heavier item or even 100lb your steel is decisive! 1)A thicker Steel Thin steel means saturation of flux in the magnetic circuit. Excess magnetic flux is wasted in the air and can't be utilized. 2)Thinner painting/no spacer Thick painting will give rise to a great leakage of flux only a small portion of flux from magnetic hooks can be utilized to provide the attractive force.The thicker the painting the worse the magnetic force! -How to achieve the advertised attractive force 100lbs? 1) 0.16 inches or thicker A3 steel plate. 2) The steel attracted by magnetic hook should be placed horizontally no tilt. 3) No paint