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
>
>
>