Robert Macy wrote:
All I need is a simple nail finder/locator for finding the nails in
the drywall. I KNOW where the studs are, but need to find screws/nails
behind the taping plaster.

I remember years ago using a magnet mounted in a 'gimbal' structure
that pointed to a nail. Unsuccessfully tried to make one. the one I
made keeps missing the fasteners! If it 'sees' one, it is there, but
even though I know there should be a nail somewhere within inches,
can't find it. Usually misses screws, finds nails.

Closest walkin so far has been Home Depot Zircon whizbang for $49.
TOO MUCH!! I don't want to find studs, just the nails

Next best has been Harbor Freight, Cen-Tec unit 5 in 1 for $8.99
Sounds great, I once ordered a Cen-Tech Sound Level Meter $14.99
before from them, very satisfied customer, replaced our $100+ unit.
But this latest requirement just rankles me to pay 8.99 +6.99 shipping
total of 15.98 for a simple little widget.

You guys ALWAYS know where to get stuff at great prices. Any help?

Anybody got one to send me, or provide a URL to get something?

The Harbor Freight 92375 is a good one.

When I had the floor insulated, the contractor kept poking himself
on the nails sticking thru the floor. He solved the problem by
pounding a bunch of them back up. I used the HF unit to find the nails
thru the carpet and bang them back down before they tore thru the rug.