
These are incredibly strong, but extremely fragile magnets. I had some break just by them jumping into each other under their magnetic pull. They are very, very strong.

Powerful Neodymium Bar Magnets With Double-Sided Adhesive - Ideal For Home, Office & Scientific Uses - Pack Of 16 Magnets
40 Review

MIKEDE 8-Pack Powerful Neodymium Magnets With Double-Sided Adhesive - Ideal For Fridge, Crafts, DIY, Science, Building & Office Projects - Rare Earth Magnets For Strong Grip
39 Review

MIKEDE Strong Neodymium Disc Magnets, 16 Pack Powerful Permanent Rare Earth Magnets With Double-Sided Adhesive, Fridge, DIY, Building, Scientific, Craft, And Office Magnets, 1.26 Inch D X 1/8 Inch H
40 Review

16-Pack Powerful Neodymium Bar Magnets | MIKEDE Rare Earth π§² Metal Magnets with Double-Sided Adhesive | 60 x 10 x 3 mm
35 Review