these magnets are not strong enough for a glass board - choose the "power magnets" category instead

for example

Weight: approx

And if you don't touch them

The exact size is 0

Sy-i-magnet knap rund Ø26 mm., grå BF Tier1 these magnets are not strongBlack button magnets for sewing into clothes, curtains, etc., with buttonholes for easy attachment. It's super easy you don't even need a sewing machine; just a normal needle and thread. One unit contains two parts: one north and one south. Ordering 1 unit of grey magnetic buttons gives you 1 set, and ordering 10 units provides 10 sets. Generally, 5 button sets are adequate for a standard jacket or shirt, though preferences vary. A gray magnetic