I got some of these from BG a while back. I think I got 50 or 100 of them and they are indeed TINY! They like to stay in a stack and I often found I really had 2 or 3 when I wanted 1. I did a few experiments like gluing 4 to the corners of a block of wood about 2 inches square. The holding power was underwhelming. But if I used a similar sized piece of steel, the holding power is much greater. I like Jim's idea here and may play a little with some of them on a piece of tape. Edward On Wed, Apr 13, 2016 at 3:48 PM, Alistair Bel <albell@shaw.ca> wrote: > I'm a little sceptical that those teeny magnets will have the flux density > ( doesn't that sound smart?) to hold screens secure. Even with a bunch of > them. I don't think the field of such a thin magnet will extend very far at > all. > > Alistair > > > |
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