Dremel 1/8 In. Straight Router Bit is designed for precise routing, inlaying, and mortising in wood and other soft materials. Featuring a 1/8" shank, this versatile bit comes in various types and sizes to suit your woodworking needs. Options include the No. 615 with a rounding type, No. 640 with a 1/4" bit diameter V-groove, and several straight types such as No. 650, No. 652, and No. 654, with bit diameters ranging from 1/8" to 1/4". This router bit ensures clean cuts and smooth finishes, making it an essential tool for detailed woodworking projects. Model Number: 615, 640, 650, 652, 654