5 pc OD0.786XID0.546X0.392" neodymium magnets N40 ndfeb

5 pc OD0.786XID0.546X0.392" neodymium magnets N40 ndfeb

Ring OD 0.786 X ID 0.546 X 0.392" Thickness
This magnet is magnetized through thickness. The poles are on the flat surfaces. It's pretty good material for science projects, holding magnets. The holding power of this magnet is about 20.5 lbs.