Diameter to Diameter Roll Marking of high pressure bottlesPublished by Marc Steele on March 4, 2021March 4, 2021 Categories: Convex Numbering Heads - 58C & 158CNumbering HeadRoll Mark ExamplesRoll MarkingRoll Marking MachinesVideo Tags: bottle markingColumbia Marking ToolsRoll Marking Marc Steele Marc has been in the marking business for over 15 years. He provides technical assistance through emails and online chat.