Vision Elite BLX Rollerball Pens feature a bend-resistant, stainless steel, micro tip (0.5mm) & a tungsten carbide rollerball. Capped roller pens deliver smooth, intense lines with unparalleled definition useful for taking notes, making lists, embellishing projects, & signing checks & legal documents. 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. Vision Elite pens withstand cabin pressure variances without leaking. 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.