A very handy item.
Just fill with warm water and use it to flush the old dried ink from the section and nib.
Can also be used to flush through the Capillary unit of the Parker 61.
Medium size will accommodate the sac peg of most medium to large pens.
Small size will accommodate the sac peg of the smaller pens.
Medium Size Bulb holds approximately 50ml of liquid. Bulb opening 6.1 mm
Small Size Bulb holds approximately 15ml of liquid. Bulb opening 5.4 mm.