Have you admired the elegant vee joint paneling used in the wainscoting of older homes, or in the backs of classic cabinetry? That Vee joint was not just decorative - the tongue and groove allowed for seasonal wood movement while the 45° vee helped disguise it! Duplicate that classic profile and its important function with this unique two-piece CMT router bit set. 1/2" Shank. Made in Italy by CMT.