30mm Dia x 8mm with 4.3mm hole | Pack of 2

These neodymium magnets have a 30mm diameter, 8mm thickness, and a 4.3mm countersunk hole. They are grade N45 and suitable for attaching items to steel surfaces, heavy closures, and picking up metal objects. They are triple plated for durability.

• The magnets have a pull force of about 18kg against sheet steel and 30kg when stacked.
• They are about ten times stronger than traditional ferrite magnets.
• The magnets never weaken with age.
• They can pinch skin and cut clothing, and may cause internal injuries if swallowed.