Pentel BLN105ASW2 EnerGel-X Retractable Roller Gel Pen.5mm, Black Barrel, Black Ink, 24/Pack Sold as 24/PK. High performance ink technology combines the best qualities of liquid and gel ink for a super-smooth writing experience. Dries so fast that left-handed writers love it--no smears, no smudges, no globs. Maximum comfort and control with the latex-free grip.