The product is 1/4" Dia HSS Cutter</br>Easy to use</br>The product is manufactured in China</br>Compatible with all Dremel rotary tools.</br>A versatile?? high-quality cutter made of high-grade steel for use on wood?? plastic and soft metals.</br>Ideal for shaping?? hollowing?? grooving?? slotting?? inlaying and making tapered holes in soft metals?? plastics and woods especially on curved surfaces.</br></br>Product Description</br></br>The product is 1/4"S Cutter. Easy to use. The product is manufactured in China.</br><br/>http://www.amazon.com/gp/product/B0002PBU6QQtects