amPen Gel-Style Ink Refills for 3-in-1 Hybrid Stylus/2-in-1 Hybrid Stylus (Extra Fine .5mm) (5-Pack) Extend the life of your 3-in-1 and 2-in-1 Hybrid Stylus with the best-quality, premium Ink Refills for continuous, long-lasting use (5 per pack) Compatible with the amPen Hybrid 3-in1 or 2-in-1 Stylus pens only Smooth and smear-proof gel-style ink for effortless writing Extra-fine 0.5mm point