Thanks for looking at our selection of Montana Paint & Ink Pens , the description for this product will follow along shortly. in the meantime, if you find yourself with a question about this product, anything at all, like materials or sizing or just plain old anything please use the contact form to speak to us, we answer all emails within the hour during office hours, or even just live chat us. If you don\'t find what you are looking for with this piece of Montana Paint & Ink Pens then you really should browse the rest of the website, we have a pretty good selection of clothing, footwear, accessories, and a few other selections of interest. 50mm Replacement tips for the range of Montana Gold acrylic paint pens, whats the first thing to go on your pen, the tip, well next time don\'t buy a new pen, just replace the tip, sold in packs of 2 and great value for money. Replacement tips should be bought for use with your pens as you don\'t want to be caught short when working on a piece.