LMT Onsrud solid carbide router. Designed for rounding the edge of sheets or parts. They come in both single flute and double flute.
Application: soft plastic, hard plastic, solid surface
Specs: 0.375" cut diameter, 0.375" length of cut, 0.305" small flute length, 0.2188" opening, 0.0625" tip to radius, 0.375" shank diameter, 2.5" overall length