Frixion Clicker Gel Ink Pens, Fine Point, Assorted Color Inks,, And Retractable. Frisian writes smoothly just like a regular gel ink pen but allows you to erase like a Pencil at any time. Unlimited do-overs allow you to write, erase, and re-write repeatedly without damaging your documents. The eraser tip won't wear down or leave crumbs behind. With fruition, no one will know it wasn't perfect the first time. Pilot FriXion Clicker: A bright way for bright minds to get into STEM, FriXion is the first erasable fine point marker pen; Its unique thermo-sensitive ink formula lets you erase and rewrite repeatedly with ease without ruining the page Erasable, Retractable, Refillable: The FriXion gel ink pen writes smooth erases clean; Available in a variety of vibrant ink colors: black, blue, red, turquoise, purple, navy, pink, green The Power Of STEM: The science behind FriXion erasable pens embodies the principles of STEM and enables exciting hands-on demonstrations; Frixion is the 1st and only pen authenticated by the nation?s leading STEM accreditation and education organization Trusted Quality: We've been making pens for over 100 years. Whether you're taking notes, stocking up on school or office supplies, or writing in a bullet journal, Pilot has the perfect pen for you Power to the Pen: Pilot makes exceptional writing instruments to suit all your needs; We have fountain, ballpoint, retractable, erasable gel ink pens, whiteboard markers more for every writing style