Precision engraver</br>Carves and routes</br>Best on soft metals?? plastics and woods</br></br>Product Description</br></br>Ideal for engraving?? carving?? routing in wood?? fibre?? plastic and soft materials everything except hardened materials. All have 1/8'' shanks.</br><br/>http://www.amazon.com/gp/product/B00008Z9ZW