Purple pen from Pilot, 0.5 mm ball. Erasable ink that can easily be removed by using the friction of the end stud.
Pilot FriXion Clicker 0.7mm, Erasable Gel Pens, Fine
Pilot FriXion Clicker 0.5mm 5-pcs - So Typical Me (UK)
Pens - PILOT FRIXION CLICKER ERASABLE RETRACTABLE GEL INK PEN 0.5
Gel Pen
Buy Pilot Frixion Ball Clicker Pen 0.7mm in Bahrain
Pilot FriXion Ball Clicker Erasable Gel Pen 0.5 mm - Purple
FriXion Clicker Erasable Gel Pen by Pilot® PIL31455
Pilot FriXion Clicker Erasable Rollerball Pen 05 Fine
Pilot FriXion Clicker Rollerball Pen Erasable Ink 0.5mm + 1 Pack
Frixion, Click - Erasable Gel - Purple - BLRT-FR5 — Lori's Country
PILOT FRIXION CLICKER R. BALL 0.7MM PURPLE
Pilot Frixion Clicker 0.5mm Violet - So Typical Me (IE)
FriXion - FriXion Ball