3/8" (+0-.002) Cutting Diameter, 1" Length of Cut, 3" Oal, Four-Flute, 3/8" Shank, 

30 Degree RHS/RHC Helix, Center-Cutting. Un-Coated. Picture may appear tool is coated, however it is NOT.

MADE IN AMERICA.  BY AN  AMERICAN.

MADE IN USA