CMT 855.506.11 V-Tongue & Groove Set 1-3/4" S=1/2"The CMT 855. 506. 11 is a Cabinet Joinery Router Bit. Specialized cabinet and joinery bits for door making, rail and stile sets, drawer lock joints, and lock miter joints. SET INCLUDES V Tongue Bit D=1 3 4" V Groove Bit D=1 3 4" SPECIFICATIONS Diameter (D) 1 3 4" Total Length (L) 2 31 32" Max Thickness (T) 3 4" ~ 1" Shank (S) 1 2" Number of Teeth 2 Product Type Cabinet Joinery Router Bit Shank 1 2" Blade Material Carbide Tipped (TCT) Rotation Right