Dianshi 點石 Dual Colour Gel Pens (1 Black 1 Vintage Ink Colour) in their popular quick dry ink; both colours have a 0.5mm nib. These are available in 8 different colours and are refillable – perfect if you use the different colours at different rates. The refills are oval shaped, so this pen will give your more use for both colours.
Do check out the individual DS Quick Dry Pens for more colour options or get extra refills for the dual pens you are getting. Please remember to check that you are ordering the right refill for the right pens.
Actual product colour may vary from photos shown here due to lighting conditions and/or different monitor/screen displays.