Used on all Roll Marking Attachments that use the following Power Paks: 571, 578, 584, 585.

The 544 Interchangeable Type Retainer accepts the following type sizes: 3/64", 1/16", 5/64", 3/32", 1/8".

For characters to be top-to-collet use 1155 as starting cam. For bottom-to collet use 1154 as starting cam.

NOTE: The starting cam must use the dowel pins supplied. Failure to do so will result in damage to the type.