Equipped with thick carbide tips and negative shear angle design, CMT mortising bits guarantee you a flaweless performance. Mortise perfect hinges with no splintered edges or rough bottoms. They also make an easy job of piece work in both natural wood and wood composites. Fit most popular mortising jigs. Perfect bit for sign making or any kind of template work. CMT orange bits have been rated the #1 overall router bits compared to other brands (Wood Magazine).