Application: cutting | Brand Name: dremel | Compatibility: use-with-dremel-router-attachement | Length: 1-1/2-in. | Material: high-speed-steel | Number in Package: 1-pk | Packaging Type: carded | Shank Diameter: 1/8-in. | Size: 1/4-in. For routing, inlaying and mortising in wood and other soft materials. Use with Dremel number 230 and number 330 router attachments and number 231 sharper/router table. | Ideal for routing, inlaying and mortising in wood and other soft materials | For use in wood and other soft materialsFor use in wood and other soft materials | Use with Dremel #230 and #330 router attachments and #231 shaper/router table