hollow [Adjective] + tube [Noun]

Strength Strength Dispersion
A:
13
CHISQ:
939.15
AWT:
9,143,231
TTEST:
3.56
G2:
95.28
FAWT:
5.95
MI:
6.21
LOGLOG:
22.99
JD:
0.66
MI3:
13.61
DICE:
0.74
RANGE: