These strong cylinders are a nice size to grasp with ease. Two of them pinching a piece of string between them make a great homemade compass. They are strong, yet easy to handle.
This size is also available diametrically magnetized
in Grade N52 as part number D4X0DIA-N52
, in grade N42 as part number D4X0
and in Grade N42 with a small dimple on the north end as part number D4X0-ND