of brass (Hebrew #5153)

Job
6:12   Is my strength
koach (Hebrew #3581)
from an unused root meaning to be firm; vigor, literally (force, in a good or a bad sense) or figuratively (capacity, means, produce); also (from its hardiness) a large lizard
KJV usage: ability, able, chameleon, force, fruits, might, power(-ful), strength, substance, wealth.
Pronounce: ko'-akh
Origin: or (Dan. 11:6) kowach {ko'-akh}
the strength
koach (Hebrew #3581)
from an unused root meaning to be firm; vigor, literally (force, in a good or a bad sense) or figuratively (capacity, means, produce); also (from its hardiness) a large lizard
KJV usage: ability, able, chameleon, force, fruits, might, power(-ful), strength, substance, wealth.
Pronounce: ko'-akh
Origin: or (Dan. 11:6) kowach {ko'-akh}
of stones
'eben (Hebrew #68)
a stone
KJV usage: + carbuncle, + mason, + plummet, (chalk-, hail-, head-, sling-)stone(-ny), (divers) weight(-s).
Pronounce: eh'-ben
Origin: from the root of 1129 through the meaning to build
? or is my flesh
basar (Hebrew #1320)
flesh (from its freshness); by extension, body, person; also (by euphem.) the pudenda of a man
KJV usage: body, (fat, lean) flesh(-ed), kin, (man-)kind, + nakedness, self, skin.
Pronounce: baw-sawr'
Origin: from 1319
of brass
nachuwsh (Hebrew #5153)
coppery, i.e. (figuratively) hard
KJV usage: of brass.
Pronounce: naw-khoosh'
Origin: apparently passive participle of 5172 (perhaps in the sense of ringing, i.e. bell-metal; or from the red color of the throat of a serpent (5175, as denominative) when hissing)
?