All of our magnets are super strong.
The following movies show the strength of our magnets.
In the left movie,
the magnet diameter is 8mm, 3mm thick,
can hold a dumbbell of 1.1kg (2.5 LB).
In the right movie,
the magnet diameter is 4mm, 2mm thick,
can hold a pliers of 337 gm ( 11.9 oz ).