Infinity Tools 56-602, 1/2" Shank Cove Crown Molding Router Bit 1-3/4" cutter diameter x 3/8" cutter height x 1-3/8" radius Precision machined from fatigue-proof steel for extra strength Micro-grain carbide tips for a long life and repeated sharpening Silver PTFE coating reduces resin build-up for fast and easy cleaning