2-count neodymium N45 rare earth NdFeb block magnets 4 x 1/2 x 1/4" (true N45)

Description

These block magnets (1-count) are 4.00 inch (101.60mm) long, 0.50 inch (12.70mm) wide, and 0.250 inch (6.35mm) thick. Magnetization direction is through thickness. They are composed of grade N45 neodymium iron boron magnetic material, grade N45 is stronger than N35, N38, N40 and N42. Some suppliers in the market use lower grades magnets for higher grades, we at Magnets Warehouse guarantee that our neodymium magnets come with true grades. These magnets are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 38 lbs. Max Working Temperature - 176 F (80 C). All magnets may chip and shatter, but if used correctly they should last a lifetime. Keep away from pacemakers and all children.