guarantee [Noun] + cast-iron [Adjective]

Strength Strength Dispersion
A:
6
CHISQ:
437.27
AWT:
31,366,850
TTEST:
2.42
G2:
48.86
FAWT:
1.73
MI:
6.23
LOGLOG:
16.09
JD:
0.6
MI3:
11.4
DICE:
0.51
RANGE: