Features 2 Flute And Straight Shank: Alloy cutter head with 2 flute and straight shank, solid carbon steel body with anti backlash design For CNC Machines: Rail stile router bits come with 1/4in shank, suitable for CNC and other automatic desktop portable machines For Carpentry: This roman ogee bit is very suitable for carpentry, trimming, grooving, wood grain projects, very practical For Many Materials: Suitable for MDF, solid wood, particle board, plywood, wooden door frames, wooden window frames, cabinets and boxes, etc. Strong And Sturdy: High wear resistance, high accuracy grinding technology, strong and sturdy. This durable milling cutter set is made of good quality materials, allowing you to complete all projects with confidence Specification: Item Type: Rail Stile Router Bit Material: Main Body: Carbon steel, Bit: Alloy Specification: Shank Diameter: 1/4in Cutter Head Diameter: Approx. 41mm / 1.6in, 63mm / 2.5in Package List: 3 x Milling Cutter 2 x Gasket 3 x Storage Box Note: Please avoid cutting ferrous metals and non wood materials such as steel, iron and sand. Package List 3 x Milling Cutter 2 x Gasket 3 x Storage Box