Shallow Pot magnet is ideal for intimate contact applications.
21-15450 - Power Magnet Horseshoe 45 X 30 X 30 mm with 26lbs Pull Force
Powerful and durable pocket horseshoe magnet is ideal for for traction, lifting, sorting, clamping and retrieval.
21-15452 - Power Magnet Horseshoe 57 X 44.5 X 35 mm with 50lbs Pull Force
21-15456 - Shallow Pot Magnet 28.6mm with M3 Countersunk Hole
21-15458 - Shallow Pot Magnet 38.1mm with M3 Countersunk Hole
I have used MCM for many years and would give high recommendation for getting the job done right.