Pentel BL77D EnerGel RTX Retractable Liquid Gel Pen.7mm, Black/Gray Barrel, Green Ink Sold as 1 EA. Sleek and stylish barrel design with metal accents for a professional look. High-performance ink technology combines the best qualities of liquid and gel ink 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.