Woodtek 944622, Router Bits, Door Construction, Raised Panel & Backcutters, Raised Panel Bit, 1/4" Shank Provides crisp detail cuts on smaller work. Specifications: "D"=1-3/4 in, "H"=9/32 in, "d"=1/4 in Specifications: "C"=11/16 in, "OAL"=1-15/16 in