Stock your office, home or classroom with Vision Needle Stick Rollerball Pens. Long-lasting, 0.5mm micro point is designed with a bend-resistant tip for better accuracy. Even-flowing, pigment-based roller ink delivers a smooth writing experience for reliably smooth, vivid lines & a rich color for improved clarity & readability. Micro needle point forms ultra-precise, straight-edge lines with ease. Pens create bold, precise letters, numbers & graphics. Innovative, uni Super Ink technology effectively entraps liquid ink into the paper, producing fraud-resistant, fade-resistant & water-resistant documents that prevent check washing & bleaching. Exclusive, uni-Flow Ink System ensures a consistent, fluid writing experience. Translucent window lets you see when your ink is low to avoid running out.