I do notice some are stronger then others. I had to use 4 to make a tiny magnetic box for screws. It works with 4 but nothing like I had hoped or expected.
Pack Of 12 MIKEDE Neodymium Bar Magnets - Strong Rare Earth Metal Magnets With Double-Sided Adhesive - 60 X 10 X 3 Mm Size
41 Review
Power Up Your Projects With MIKEDE Cube Neodymium Magnets - Super Strong Rare Earth Magnets For Science And DIY
31 Review
50Pcs Strong Neodymium Magnets With Hole & Mounting Screws - Heavy Duty Rare Earth Disc Countersunk For Locker, Tool Storage & Crafts
31 Review
60X10X3Mm Neodymium Bar Magnets 25 Pack - Strong Permanent Rare Earth Magnet With Double-Sided Adhesive For Craft, Fridge, Kitchen And Office.
30 Review