This series has a small chipbreaker therefore the quality of cut will improve. It will leave a smaller striated finish. For massive wood only, #46138, direction Up-cut, (D) diameter 3/4, (b) Cutting height 2-1/4, (D) shank 3/4, overall length (L) 4, flutes 3, CNC solid carbide spiral flute roughing/finishing with chipbreaker 3/4 dia x 2-1/4 x 3/4 shank Up-cut router bit