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, 0.5" length of cut, 0.255" small flute length, .4062" opening, .0625" tip to radius, 0.375" shank diameter, 2.5" overall length