Amazon.com: Wacom Intuos Pen LP190K (Old Version), Black : Electronics
Amazon.com: 2 Pack No Wear Down Titanium Alloy Standard Pencil Nibs Fits for One by WACOM, Intuos Series Pen, Replacement Refill Tips fits for WACOM CTL-672,CTL-671,CTL-471, CTL-472 : Electronics
Wacom Intuos Pen, Black (LP190K) - Newegg.com
Wacom 4K Pen for Intuos Tablet Black (LP1100K) - Walmart.com