The Pentel Client ballpoint pen is a well-designed, professional style pen offered at a surprisingly affordable price. The weighted, generously-sized barrel provides the perfect look of success & the latex-free grip provides maximum comfort & control. The 1.0mm tip writes medium lines. It is refillable using BKC10 ink refills. High-Gloss Black with Chrome Accents Barrel. Pen Sub-Brand & Product Family: Client; Pen Type: Ballpoint Pen; Pen Style: Retractable; Pen Tip Type: Conical.