Half-markers: One OLO half-marker has 2ml of ink, plus over 90% more usable ink than other alcohol markers. Use an OLO Connector Ring to combine any two half-markers for a double-ended marker with 4ml of ink. Combine half-markers to create unique double-ended markers that feature your choice of colors and nibs.
Colors included in Collection:
BG7.2, BG7.3, BG7.8, C-G1, OR2.3, OR2.8, OR4.2, OR4.4, R5.1, R5.3, R5.5, R5.7, R-G6, YG8.3, YG8.5, YG8.7