R800 Automatic Roll Type VideoPublished by Marc Steele on October 18, 2018October 18, 2018 Roll Marking inside CNC machine using CMT’s R800 roll type attachment. Categories: Automatic Roll Type HoldersVideo Tags: Automatic Roll Marking CNCR800Roll Type Holder Marc Steele Marc has been in the marking business for over 15 years. He provides technical assistance through emails and online chat.