Pilot FriXion Refill/Patron 0.7 mm, 3-pack Colors:Light Blue Heavy-duty construction prevents bleed-through and

Heavy-duty construction prevents bleed-through and handles pressure

We suggest filling this pen with either a lacquer paint

Empty MTN Street Dabber marker with a 10 mm round tip

as it gets hit by UV light — from sunlight or even indoor lighting — the color starts to come alive

Pilot FriXion Refill/Patron 0.7 mm, 3-pack Colors:Light Blue Heavy-duty construction prevents bleed-through andThe Pilot FriXion Ball gel ink refill in 0. 7 mm is the standard size across the FriXion Ball, FriXion Clicker, and FriXion Pro range, and this pack holds three gel ink cartridges in one color. The ink is Pilot's thermo sensitive gel formula: heat from the friction tip on FriXion pens, roughly 60C, turns the ink transparent, so writing can be erased cleanly and the same area written on again without scratching, feathering, or leaving eraser residue