Waterman(R) Refill, Ballpoint, Medium Point, 0.7 mm, Blue

Waterman(R) Refill Ballpoint Medium Point 0.7 mm Blue Refill for Waterman Ballpoint Pens Fine Point Black Ink Waterman Ballpoint Refill., Brand Waterman Pen Company/Sanford, Color BLUE, Refill for Waterman Ballpoint Pens Fine Point Black Ink Waterman Ballpoint Refill.sold by the EA
The original refill that came with my pen wrote like a dream--best ballpoint writer I've ever had. This refill is only very good. <sigh> It does not flow as smoothly as the original equipment.