S-1300 Rough finish scale,13 specimens for ground, milled, shape-turned & profiled surfaces, 63,125,250 and 500 micro-inches.


S-900-1Fine finish scale 9 specimens for lapped, ground, blanchard and shape-tuned surfaces, 2,4,8,16 and 32 micro-inches.



E-900-1 EDM surface finish scale, 9 specimens of EDM finishes on tool steel, 16 to 250 micro-inches.

G-600 Grit-blast surface scale 6 specimens, 32 to 1000 micro-finishes.

SH-600 Shot-blast surface finish scale, 6 specimens, 32 to 1000 micro-finishes