PILOT HI-TEC-C Ballpoint Pen Refills, Knock Type, 0.4mm, Blue Black, Set of 5 High-precision writing is possible. The pen body is no longer in production, so please consider these refills if you need them. - Brand: PILOT - Model: HI-TEC-C - Size: 0.4mm - Quantity: Set of 5 - Color: Blue Black Thank you for looking.