TWSBI Eco Slate Blue with Onyx fountain pen Nib:EF With enormous vision and an

With enormous vision and an unbridled passion for motor sport

According to an ancient Japanese proverb

Machine-cut guillochage inspired by the radiator grills of racing cars

milky plastic

which gives the Pebble Blue and Mineral White fountain pens a very special elegance

TWSBI Eco Slate Blue with Onyx fountain pen Nib:EF With enormous vision and anDe 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 dark blue color color plastic with black nib and clip. 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. Do this on your own risk. TWSBI has been