Donut Magnet with Protective Chrome Plated Metal Housing
They're fairly strong, but unfortunately we're unable to quantify their strength. Great for school projects.
Powerful ring magnet encased in a durable metal cup, with a mounting hole in the center.
Attach a hook, eyebolt, knob, etc. to the magnet to provide a great solution for hanging objects from various surfaces.
Overall Dimensions: 1.4" Diameter x 0.281" Height.
Dimension of Magnet Hole: 0.375" Diameter x 0.23" Depth to Housing
Center Hole Size on the Metal Housing: #8