The main functionTrimming,edge treatmt grooving,three-dimsional clearance angle,slotted PTFE CoatingHeat-resistant PTFE coating baking to prevt the accumulation of wood chips, resin and asphalt, Good wear resistance,greatly durable life Universal Shank8mm Shank, Widely use on hand-held and table-mounted portable routers Anti-KickbackThe blade is sharp and smooth, solid Harded Steel Bodies with Anti-Kickback Design, suitable for trimming, three-dimsional clearance angle, slotted Scope ForWoodworking,Hardwood,Particleboard,MDF,Acrylic; Applicable models:the engraving machine, trimmer Features: High-grade welding ,stable quality,high efficiency Blade Flush Trim Patter with Top and Bottom bearings Router Bit. Carbide Tipped - Micro grain grade provides increased strength and extreme esistance. Heat-resistant PTFE coating baking to prevt the accumulation of wood chips, resin and asphalt. Top Bearing Router Bit Set Cuts all composition materials, plywoods, hardwoods, and softwoods Specification: Material: Carbide Tipped Shank Diameter: 8mm Shank Color: Yellow Package included: 4 sizes X Woodworking Trim Router Bit Note: The data is manual measurement, please please allow 1-74cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.