Very strong and solid 1/2" diameter discs. They are a great mid-sized general purpose magnet. Good size for magnetic therapy, science experiments or serious fridge magnets.
This size is also available in grade N52 as part number
D82-N52, grade N52 with a Black Nickel finish as part number
D82B-N52, in grade N42 with a Black Epoxy coating as part number
D82E,
diametrically magnetized in grade N42 as part number
D82DIA , and in High Temp grade N42SH as part number
D82SH.