sakura sumo grip mechanical pencil 0 7 mm Painting on stones The color "recharges" when exposed

The color "recharges" when exposed to light and then shines in the dark

You control the flow of ink by pressing/pumping the 15 mm wide tip against your surface

The 767PI is filled with alcohol-based Speedflow black

Whether you’re designing on rocks

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sakura sumo grip mechanical pencil 0 7 mm Painting on stones The color "recharges" when exposedErgonomically designed mechanical pencil with extra thick triangular grip. A good pen for people who writes a lot or thinks the grip on ordinary pencils is a bit too thin. 0. 7 mm lead size, refillable and comes with an extra large eraser at the top (also refillable).