Sheaffer Skrip Ink Bottle (50 ml) Blue-Black. This high-quality ink is perfect for use with Sheaffer fountain pens and is available in a range of outstanding colours. This ink bottle contains 50 ml of Sheaffers Skrip fountain pen ink. It is recommended for all Sheaffer fountain pens and is suitable for all makes of fountain pens. The ink is formulated for a long write-out and smooth flow.