Woodtek 890168, Router Bits, Dovetail, 3/8" X 14 Degree Dovetail, 1/2" Shank Perfect for through, half-blind, and sliding dovetail joints. Specifications: "D"=3/8 in, "H"=3/8 in, "A"=14 deg Specifications: "d"=1/2 in, "OAL"=2 in