The classic Uni-Ball Uni Pin pens are loved by professional artists and illustrators, graphic artists, architects and amateur hobbyists alike.This pack of 5 pens contain assorted sized and shades of grey or black with high quality ink for a smooth and consistent ink flow.The water based pigment ink is smell-free, fade proof and water resistant, making it the perfect go-to pen for any line work, sketching or used with watercolour mediums. The nibs are extra durable, ensuring long life and will not be damaged or broken when used with stencils.. Tips: 0.01mm x2, 0.05mm x2 and brush. Pack of 5 drawing pens. Dark Grey, Light Grey and Black Colours. Smooth, consistent ink flow. Smell free, water based pigment ink. Fade proof and water resistant super ink. Approximate dimensions (mm) H188 W90 D22. Weight 63g