Stabilo Worker Colorful Rollerball , Set of 4 , Multicolored HIGH QUALITY The rollerball is the high-quality solution for the exacting professional anytime PROGESSIVE LIQUID-INK TECH It is the perfect tool for any professional who needs flexibility of a liquid-ink pen, ideal for both writing and design PRECISE & SMOOTH WRITING The medium tip with line width 0.5mm, ensures a smooth feeling and aids accurate writing NON-SLIP SURFACE The whole pen shaft has a non-slip surface, making of extended periods of intense work without aching or cramping PREMIUM COLORS High quality rollerball in 4 different pen and ink colors Always have the perfect shade - available in <span class="a-text-bold">47 Vibrant Colors</span> 0.4mm width for accurate <span class="a-text-bold">Writing, Drawing and Coloring</span> Metal-Enclosed tips for <span class="a-text-bold">Maximum Durability</span> The pen of choice for <span class="a-text-bold">High Volume Writers </span>and <span class="a-text-bold">Gel Pen Enthusiasts</span> Comfort Grip Zone and <span class="a-text-bold">Low-Viscosity Ink</span> means <span class="a-text-bold">High Writing Speed</span> Attached <span class="a-text-bold">Low-Profile Pocket Clips</span> &amp; Available in <span class="a-text-bold">10 Different Colors</span> Ergonomic Ballpoint Pen and <span class="a-text-bold">Durable Touchscreen Stylus</span> Choose a Left or Right-Handed Version for <span class="a-text-bold">Ultimate Comfort</span> Refillable and Available in <span class="a-text-bold">3 Different Pen Color Combinations</span>