Neodymium block magnets are the world's strongest magnets. All magnets are not created equal! Applied Magnets offers the highest quality neodymium block magnets with consistent performance at lowest price. Our strong neodymium block magnets are designed & manufactured to meet stringent quality standards using the latest technology. neodymium magnets (also known as Neo, NdFeB, NIB or super magnets), a type of rare earth magnets, are the permanent magnet made from neodymium, iron, boron and other minor elements. Strong Neodymium Block Magnets Grade N42 , stronger than N40, N38 and N35 BrMax: 13200 gauss Neodymium Block Magnets N42 1" x 1" x 0.25" Thick Rare Earth NdFeB Magnet Nickel-Copper-Nickel triple layer coated for maximum neodymium block magnets durability and protection again corrosion ISO Certified, top notch quality and superior performance guaranteed Magnetized through the Thickness, Poles are on the 1x1 flat surfaces Contact us for neodymium block magnets wholesale discount Approximate pull force: over 31 lbs