For routing, inlaying and mortising in wood and other soft materials. Use with Dremel number 230 and number 330 router attachments and number 231 shaper/router table. Made of high-speed steel. Ideal for routing, inlaying and mortising in wood and other soft materialsUse in wood and other soft materialsUse with Dremel model 230 and 330 router attachmentAlso can be used with model 335 plunge router attachment