[Convenient Storage and Carrying Case] Equipped with an aluminum storage case for easy storage and organization. Sturdy, it protects the drill bit while working. The box is graduated and snaps back into place after use. Ideal for professional woodworkers and amateurs for all their woodworking projects. [Sharp Carbide Cutter Head] High-quality carbide blades, precisely machined and heat-treated, provide high concentricity, clean cutting, smooth rotation, and light operation for clean and precise wood cutting. Main structure made of hardened alloy steel for durability and extended service life. Our router bit has two cutting edges, which is superior to single-edged bits for smooth cutting. This set is ideal for beginner woodworkers or anyone needing a professional-quality bit. [Universal Compatibility] Universal 1/4" shank fits all major router jigs (handheld or desktop), sealed bearings for smooth and accurate cutting. The set contains a selection of common router bits, resharpenable.