Retaining piece for GN 612+613 to

Mounting blocks GN 612.1 simplify the mounting of indexing plungers (e.g. GN 817) as well as cam action indexing plungers GN 612, GN 712 and GN 712.1. To position the indexing pin of an indexing plunger or cam action indexing plunger, they can also hold positioning bushings GN 412.2.