TWSBI ECO Fountain Pen Cosmo w/ Onyx.
Available for preorder now! (Orders will begin shipping this Friday).
Each Cosmo w/ Onyx ECO is unique and sealed from the factory. Choose from extra-fine, fine, medium, broad, or 1.1 mm stub nib.
The TWSBI ECO Cosmo w/ Onyx ECO comes in a gift box complete with wrench and silicone grease for disassembling and maintaining your pen. Being a piston-filler, no ink cartridges or converters are needed - simply fill using any bottle of fountain pen ink!