Olo Color Set 7 4pc Set Primary Collection Brush Tip - 4 Alcohol Markers / 8 Color SetOLO 4 MARKER 8 COLOR SET This set contains 4 markers. Each marker has 2 colors, one on each end. All colors have a brush tip. The colors are connected with a connector, so the markers are customizable. The marker halves can be switched to other markers. Handles and additional connectors are available separately. UNPARALLELED VALUE Each OLO half marker contains 2ml of ink, for a total of 4ml in an OLO double ended marker. Traditional markers only have