3/8 High Performance Compression 2 FLute 1" Cut Length 3" Overall Length .200 Upcut Length Mortise Compression

If the cutter you are looking at has HP in the tool number, that is high performance a special grade of material excellent for OSB and Melamine, and laminate material

The mortise compression has a short upcut length. This cutter is used if you are doing any mortise or dado work on your part

PART# 38CR21.03FEM200-HP