"7 STEPS WITH 7 0.500 IN. DIA FLATBOTTOM DRILLED HOLE IN EACH ONE-HALF IN. THICK STEP; 1ST STEP 0.030 IN. HIGH; 2ND STEP 0.060 IN. HIGH; 3RD STEP 0.120 IN. HIGH; 4TH STEP 0.180 IN. HIGH;5TH STEP 0.240 IN. HIGH; 6TH STEP 0.375 IN. HIGH; 7TH STEP 0.500 IN. HIGH; MATL 4 PARTS: 1.5 IN. HONEYCOMB, 1.0 IN. HOLLOW (WITH HOLES), 1.5 IN. FILL/POTTING; 0.125 IN. GLASS EPOXY"