Article number: 8719325675665 View all from Bespaartopper > View more: CV-ketels > These N45 block magnets are super strong. They are suitable for all magnetic metal surfaces, ideal for holding insulation foil on radiators, CV-boilers or pipes. Product specifications Block magnets - Nickel plated - 2700 pcs. - In Bulk - Bulk - 2700 pieces Article description Block magnets - Nickel plated - 2700 pcs. - In Bulk Article number 8719325675665 Version Bulk - 2700 pieces Product type Accessories Country of origin Netherlands Dimensions: 8 x 4 x 3 mm Quantity: 8 pieces N45 stands for the heat resistance and strength of the magnet. The N means that the magnets can withstand a temperature of up to 80 °C. The strength of the magnet is indicated by a number. The strongest magnets have the number 52 and the least strong magnets have the number 30.