T

Tombow MONO zero refills are replacement eraser cores designed exclusively to replenish the Tombow MONO zero high-precision pen-style casing. They allow users to reuse the plastic body indefinitely, making the system highly economical and sustainable.

Key Features

Perfect Match: Available in 2.3 mm round (Model ER-KUR) or 2.5 mm x 5 mm rectangular (Model ER-KUS) formats to fit respective casings.

Non-Abrasive Formula: Made of a high-performance synthetic rubber blend that clears graphite without tearing thin drafting paper.

Pack Size: Typically sold in packs of two eraser sticks housed in a slim, protective plastic sleeve.

Paper-Safe: Leaves zero smudges and creates minimal eraser dust during precision highlights.

How to Install

Inserting a refill is simple and requires no tools:

Press and hold the top click button down completely.Insert the new refill stick directly into the metal guide tip at the front of the pen.Push the refill in until it sits flush against the internal mechanism.Release the button and click a few times to advance the new eraser.