Combination Cutter with round over and cove cutter edges. The round over has a radius of 3/16 and the cove part has a radius of 3/16.

N-64 includes 2 Plugs. Note: N-64 is the equivalent of LRH P-64 ---- From the Makers of The Original Magic Molder Tool System! Universal Cutter Head and Interchangeable Insert Plugs