These small, N52 grade cylinders are often used as triggering devices for Hall Effect sensors. They are also useful for small arts & crafts applications and tiny fridge magnets.
This size is also available in grade N42 as part number D11
and in High Temp grade N42SH as part number D11SH
These magnets are sold in packs of 10. Order a quantity of 1 and get 10 magnets. Order a quantity of 2 and get 20 magnets. Order a quantity of 3 and get 30...