TWSBI Diamond 50 Ink Bottle Color:Black Unique craftsmanship: Each pen is

Unique craftsmanship: Each pen is an individual work of art

5 mm HB graphite lead

the color of sandalwood will become darker and shinier due to the release of natural oil from the wood

pre-fitted with a CON-40 converter

TWSBI Diamond 50 Ink Bottle Color:Black Unique craftsmanship: Each pen isTWSBI Diamond 50 Ink Bottle TWSBI Diamond 50 Ink bottle: designed for every type of fountain pen, and with an upper cap designed specifically for the TWSBI Diamond , 530, 540, 580,Mini fountain pen. The TWSBI Diamond 50mL ink bottle is a perfect accessory for any fountain pen addict! The bottle allows for easy refilling of your fountain pen by offering an upper reservoir that fills with ink when you turn the bottle upside down (cap on of course!) The