12 Pack Magnet Strong Neodymium Magnets Small 20 x 5mm Rare Earth Round Countersunk Hole for Whiteboards Refrigerator Home Kitchen Workplace 25 Lbs Holding Force

【Strong Magnets】The neodymium magnets made of strong rare earth with powerful magnetic force can pull up to 22 lbs per industrial magnet in the vertical direction when in flush contact with a steel surface. 【12 Pcs Magnets】12 Pcsrecessed pot magnets and 12 M4 tapping screws are included in the package.The magnet is with 20 mm diameter and 5 mm thickness. 【Multi-use】The small rare earth magnets are perfect for hanging tools and accessories,spice jars, knife rack,etc.They are for DIY purposes,crafts and scientific purposes, handy assembled,suitable for refrigerator,door, garage,kitchen, home, business and school classroom. 【Durable】Our strong magnets are are built in a steel cup and coated with three layers of nickel, copper and nickel that resists rust, anti-fracture, scratch-resistant, sturdy and durable, greatly extending the life of the magnet. 【High Quality】Integrated molding with higher precision and exquisite appearance, which can better screw into wood or any other surface with low hardness. Strong neodymium magnets designed with scientific structure and show a good performance.