Product compatibility: these replacement digital pen nibs are designed for many digital models, and compatible with Bamboo Intuos pens, like CTL-471, CTL-671, CTL-472, CTL-672, CTL/CTH-480, CTL/CTH-68 more→0, CTL/CTH-490, CTL/CTH-690,TCTL-4100, CTL-4100WL, CTL-6100,TL-6100WL, PTH-451, PTH-651, PTH-851, -1301, DTH-1300, -2200, /DTH-2700; Please take a careful check your pen model before buying Fine standard tip: this kind of standard fine tip is sensitive and flexible to use, providing you with a comfortable writing and painting experience, bringing more accurate information and giving you an original feeling just like writing on paper Nice accuracy: our refill digital pen nib can keep your pen in …