Agile-Shop 15pcs Professional 1/4" Shank Tungsten Carbide Router Bit Set Milling Cutter Tool Kit with Wooden Case 1/4" shank, sealed bearings, smooth accurate cuts High-grade carbide blade with sharp cutting, smooth rotation, operating light All heat-treated blade, with high concentricity and strong refused torsion Comes with wooden index case for easy storage and organization Perfect for edging, trimming, veining and grooving in all woodworking projects for both professional carpenters and hobbyists