EnerGel- X RollerGel Pen Medium Line, Metal Tip, Green. Superior infusion of liquid and gel inks! High performance ink technology combines the best qualities of liquid and gel inks for a super-smooth writing experience. Liquid gel ink dries so fast even left-handed writers love it – no smears, no smudges, no globs. Maximum comfort and control with the latex-free grip. 0.7mm metal tip writes medium lines. Refillable. Bundle of 12 Pens.