NOODLER'S Konrad Galapagos Tortoise Roller Pen

NOODLER'S Konrad Galapagos Tortoise Roller Pen does not use a ink cartridge or a converter for refilling of inks. It uses a special piston filling system that allows you to draw the fountain pen inks to the pen body chamber. Noodler’s Konrad roller pen allows you to refill inks with easy. So if you like trying out different colours of inks or writing with different colours of ink. This is the pen for you. Availiable in 3 different colours. About the Brand,Noodler’s brand of products are known for their waterproof inks for fountain pens. They are also know for their flex nib fountain pens.