This 15° profile bit has a 1.8mm tip and is 2' in total length. The Foos profile bits are great for etching and outlining in wood carving and engraving, amongst many other uses. We use premium carbide to ensure our bits stay sharp and provide nice clean cuts. We are veteran owned and stand by our products 100%. If you ever see that our prices change and you missed out on a sale, just contact us with your order # and we will send you out a bit on us to make up for it.