BIC 4 Color Stylus Plus Pen - PK per pack - LD Products
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BIC 4-Color Mini Retractable Ballpoint Pen - 2 pack
Project A: I took a Bic 4-Color Pro and at first swapped out the yellow ring (pita) to make it all black, but it honestly looks better with the yellow, so I switched back. I then swapped out all inserts with Bic Glide 1.0mm refills (cut to length). Here is the comparison
4-Color Multi-Color Ballpoint Pen by BIC® BICAMP21
Bic 4 color pen • Compare (43 products) see prices »
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Bic Stylus Pen