Uniball 12-Piece Eye Micro Rollerball Pen Set, 0.5mm, UB-150, Blue

Highlights: The world's favourite rollerball ink pen for 20 years, black ink pens in a box of 12 Filled with uni-ball super ink, an advanced ink formula that bonds to paper fibres, fade resistant, water resistant, acid free and tamper proof Unique uni-flow' system ensures ink flows consistently to give you a smooth writing experience down to the last drop 0.5mm nib creates a very fine 0.3mm line that will work great for note taking or general writing Stainless steel tip with tungsten carbide ball ensures that this pen will never break when you need it the most