Pilot Ballpoint Pen Hi-Tec-C Slims Refill, Blue Ink (LHRF-20C4-L)

Pilot Hi-Tec-C Slims 2 Color 0.4 mm Gel Ink Multi Pen - Silver Body

Zebra Sharbo X Refill 0.5 Ball Point Pen, Royal Blue Ink (RJSB5-RBL)

Pilot Ballpoint Pen Cavalier 0.4 Gel Refill, Blue Ink (LHRF-15C4-L)

Pilot Gel Ballpoint Pen Hi-Tec-C Coleto 0.4 Refill 10 Color Set (LHKRF1SC410C)

Ohto R-4C7NP Needle-Point Ballpoint Pen Refill - 0.7 mm - Blue