Tombow Pencil MONO Zero Round Fine Tip for Pinpoint 1 Pen 1 Refill Pack Retractable Holder Pen-Type Eraser, (Extra 2.3mm Erasing), + (2 Pens), Eraser,

[Set Contents] MonoZero main unit + refill eraser included [Specifications] Round shape: 2.3mm diameter / Retractable eraser [Short-pitch knock mechanism] Allows for fine adjustment, is less prone to breakage, and is easy to erase (only 0.7mm of eraser is extended with one knock). [Metal Long Guide Pipe] Allows you to pinpoint and erase areas you want without obstructing your view. [MonoZero main unit size] Width 13 x Length 120 mm / Weight 6 g