These are really strong magnets however one of them arrived cracked and another one cracked when I put a screw in to mount it. I'm not sure how well these are going to hold up.
16-Pack Powerful Neodymium Bar Magnets | MIKEDE Rare Earth 𧲠Metal Magnets with Double-Sided Adhesive | 60 x 10 x 3 mm
35 Review
50Pcs Neodymium Magnets With Countersunk Hole And Stainless Screws - Strong Rare Earth Magnets Disc For Locker, Tool Storage, Crafts By MIKEDE
42 Review
50Pcs Strong Neodymium Magnets With Hole & Mounting Screws - Heavy Duty Rare Earth Disc Countersunk For Locker, Tool Storage & Crafts
31 Review
Powerful Neodymium Bar Magnets With Double-Sided Adhesive - Ideal For Home, Office & Scientific Uses - Pack Of 16 Magnets
40 Review