Master Magnetics Ceramic Round Base Magnet Pack - Heavy-Duty Strong Magnets - 200 lb Pull Each - for Indoor and Outdoor Use - Chrome-Plated - 4.90" Diameter - 0.50" Hole - 0.50" Thick - 2-Pack

Master Magnetics Ceramic Round Base Magnet - 4.90" Diameter, 0.50" Thick, 0.50" Center Hole, 200 Pounds Pull, Chrome Plated, Pack of 2, RB100CX2

Master Magnetics Ceramic Round Base Magnet Fastener - 3.20'' Diameter, 0.445'' Thick., 0.270'' Center Hole, 95 lb Pull, Nickel-Plated, Pack of 2, RB80PRCX2

Master Magnetics Ceramic Round Base Magnet - 2.618" Diameter, 0.375" Thick, 0.275" Center Hole, 65 Pound Pull ea, Nickle Plated, Pack of 3, RB70CX3