Eclipse Magnetics 828 Alnico Shallow Pot Magnet, 1-1/2" Diameter Shallow pots are good for intimate contact applications but are not as stable as deep pots 29 pounds pull capacity, measures 1.50" Diameter x 0.41" Height Can be used up to 550-Degree C sprayed red finish Alnico is a family of materials based on the same mix of elements (aluminum, nickel, cobalt and iron) Pot magnets provide more powerful clamping than equivalent round magnets