amPen 5-Pack Extra Fine Refill for amPen Hybrid 2-in-1 Stylus (0.5mm, Black) [NOT compatible with 3-in-1 Hybrid Stylus] Extra Fine 0.5mm point Fits amPen Hybrid 2-in-1 stylus 5 premium gel ink refills per pack - Black Smooth writing, smear-proof Gel ink