O 4.1 Chihuahua is 1 of 32 NEW OLO colors released in the Spring of 2024.
Replacement Inks: Replacement Ink Cartridges hold 2ml of OLO alcohol ink. Marker caps, Nibs, and Connector Rings are not included with the Replacement Ink Cartridge. However, additional OLO Connector Rings, replacement nibs, and other accessories are available. Marker bodies are color-coded for quick nib identification. All OLO nibs work with all OLO Replacement Ink Cartridges.