The product is 1/8" Diameter Tungsten Carbide Cutter</br>Easy to use</br>The product is manufactured in China</br>Use for shaping?? smoothing and material removal</br>For use on hardened steel?? stainless steel?? cast iron?? ceramics?? hardwoods and other hard materials</br>Do not run in excess of 30??000 RPM</br></br>Product Description</br></br>The product is 1/8"ter Tungsten Carbide Cutter. Easy to use. The product is manufactured in China.</br><br/>http://www.amazon.com/gp/product/B00004UDJOOwith