Conklin All American Collection Fountain pen Limited Edition Matte Black Rosegold Size:Stub Montblanc Ballpoint Pen Refill Lucky Montblanc Ballpoint Pen Refill Lucky Orange Medium 2 Pack is compatible with all Montblanc ballpoint pens except Meisterstuck Hommage a W the packaging includes a silver tin with a special sleeve displaying the brand name and marked with special crescent shaped breathing holes unique to Conklin only and are individually tested both trims perfectly outline the best features Conklin original 1916 patented spring loaded rocker clip and the backside of the cap displays a limited edition number exclusively for each pen