Tombow's classic Mono Knock Eraser refill.
With the push of a button you can extend the Tombow Mono eraser for another round of high quality eraser use. Measures only 3.8 mm in diameter for comfortable precision to bring out the intricacies of Flower of Crystal Art.
Eraser Diameter: 3.8mm
Tombow Mono Knock Eraser Refill
$1.50Price