TWSBI Eco clear fountain pen ballpoint pen Natural palm rejection distinguishes between

Natural palm rejection distinguishes between the palm rest and the actual input to prevent unintentional marks

The piston unit can be disassembled with an optional piston tool

cartridge/converter filling system and gold plated gold plated finish

available in luxury black

TWSBI Eco clear fountain pen ballpoint pen Natural palm rejection distinguishes betweenDe TWSBI Eco is made of transparent plastic, which provides a wonderful view on the inside of the pen, the cap and piston mechanism are made of clear plastic. The pens character will change with every other color you fill it with. For the adventurous people, the pen is easy to take apart for servicing or cleaning. A key and silicone grease are provided with the pen.