Woodline USA WL-2020-1 6-Piece 1/2-Inch Shank Cabinet Set with Undercutter 6-piece 1/2-inch shank cabinet set with undercutter makes beautiful cabinet doors 2-piece rail and stile system creates perfect joints every time Industrial carbide-tipped bits; rugged 1/2-inch shanks 6-piece set: two-piece rail and stile system, ogee panel raiser with undercutter, drawer lock, reversible glue joint, and door lip Lifetime warranty