MAGNET829
Disc Magnet, Neodymium, 2.6 Lb. Pull, Pk10, 7045
You will find that the silver surface is non-slip even when slightly greasy.
Disc Magnet, Neodymium, 4 Lb. Pull, Pk6, 7046
The silver version is popular because it hides dust between cleanings well.
EMI Drawer Magnet w/ Shutoff MAGNET829 Used #65829
What stands out about RRG is the tight tolerances in their machined parts.