[1] Block has a chunky design suitable for headings, with short descenders allowing tight linespacing and rounded corners.

Font design expert Stephen Coles describes it as "a soft but substantial display face with compact dimensions and an organic appearance…[it] isn’t meant for body copy.

Ferdinand Ulrich suggests that this was to match the organic feel of advertising lettering of the time, including the work of Lucian Bernhard.

[7] Block was one of Berthold's most popular typefaces, and was released in a wide range of versions, including lighter weights and type in wood (for large sizes).

[2] Matthew Butterick's Hermes, first released by Font Bureau and later self-released, is a loose adaptation also inspired by other German grotesque typefaces of the period, adding lighter weights and unicase features.