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Continue ShoppingThe Opus 88 Koloro has a notable ink capacity for long writing sessions. This fountain pen is one of few that have a shut-off valve, regulating ink flow, to perfect the writing experience.
The Opus 88 OMAR comes in a variety of transparent resins to allow you to see your ink level. Available in fountain pen, the OMAR holds an impressive amount of ink.
Opus 88 Picnic pens have a shut-off valve and impressive ink capacity. This colored pen allows you to see the ink level and is available in only fountain pen.