Snake roll stopper for the fountain pen. Adjustable size: 15 mm +/- 1 mm.
The stopper is slip-on fastening like a finger rings. Please adjust the stopper size slightly smaller than the pen size and attach to the pen cap or barrel.
Warning! Please use this product at your own risk. Since you are ordering it directly from Shapeways, and attaching it by yourself, I will not take any responsibility if your pen gets damaged by your actions.
Please contact me for other sizes. Size 14 mm is here.