Mark any 308 bolt face case (6BR, 6.5x47, 308, ect.)
Quick, easy, perfect lines. Marks in rim of case, across primer, and on body of case. Use one, or all 3 marker locations at the same time.
Slotted design holds onto rim of case through the entire marking process for perfectly placed lines.
Accepts any standard sharpie style marker, and secure them at the correct height with the supplied thumb screws.