This Carbide Tipped Router Bits designed to cut deep or shallow “V” grooves with 90-degree, also for bevel job with 45-degree；Made with premium carbide tipped router bits smoothly cut all wood composition materials like MDF, chipboard, plywood etc. and it also good for other materials such as plastics PVC, aluminum-plastic panel，drywall, Bakelite, acrylic, etc.; With thick blades can be resharpened many times and tool life last longer; Application of High-strength steel is helpful to prevent breakage of the handle.