Our 1/4 In. straight router bit makes routing, inlaying and mortising in wood and other soft materials simple. Designed to work with the Dremel 335 plunge router attachment, and the 231 shaper/router table. Made of high-speed steel.Use Tips For best results, insert the accessory bit all the way into the tool and then back it out slightly before tightening down. This provides plenty of shank for the collet or chuck to hold onto the bit. If chattering occurs, increase speed. Secure objects to a stable surface while working. Features Ideal for routing, inlaying and mortising in wood and other soft materials Use in wood and other soft materials Use with Dremel model 230 and 330 router attachment Also can be used with model 335 plunge router attachment Bit Diameter: 1/4 in Shank Diameter: 1/8 in Cut Type: Straight Number of Flutes: 1 Shank Length: 1.5 in Material: High Speed Steel Color: Metal, Orange Country of Origin: China Bearing Included: Not Required