Refrigerator Magnets - Quality Vintage Wine Cork Magnet - Highest Grade Disc N52 Neodymium - Hand Crafted - Strong Rare Earth - Satisfaction 110% Guaranteed - 2 Count EXTREME STRENGTH - Highest Grade: N52 - The magnets secured to these corks are scary strong. N52 is the highest rated magnetic strength available on the planet. These particular magnets have&nbsp;a Gauss rating of 4623 Gauss per side. WARNING-&nbsp;!Not for the Faint of Heart! - These Magnets are not your average fridge magnets. They come bonded to the cork itself so as not to pop off every time you attempt to pry them off the fridge. QUALITY - All corks are handpicked from only the finest bottles of precisely aged wine. Our craftsmen carefully drill a perfect hole into the side of the cork, meticulously measure out a portion of top notch glue to guarantee a perfect bond between magnet and cork, and let sit for a minimum of 48 hours. The quality of your magnets is our greatest concern. THE ULTIMATE HIP SCIENCE NERD'S DREAM FRIDGE MAGNET