Spyderco BaliYo Pen Ink Refill Black

The Spyderco BaliYo ink refill is compatible with the black and gray BaliYo pens. DirectionsTo change the ink cartridge, simply grip the tip of the pen and twist the ring in a clockwise direction until the tip can be pulled out.Remove the old cartridge by twisting in a counter clockwise direction.Insert a new cartridge into the tip and twist clockwise.Insert the tip with a new cartridge back into the pen and twist the ring in a counter clockwise direction.