1PC N40 OD3XID1.65X0.5" ndfeb neodymium magnets

1PC N40 OD3XID1.65X0.5" ndfeb neodymium magnets

1 Piece Neodymium 40 Strong Magnets
Ring OD 3 X ID 1.65 X 0.5" 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 109 lbs.