Master MagneticsRB100CX2 Round Base Magnet Fastener with 0.50" Center Hole Chrome Plate, 4.90" Diameter, 0.50" Thick, 200 Pounds Pull, Silver (Pack of 2)

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