Proving Ring Penetrometer.
Penetration Rod
Round bar, 51.5 CM/49 cm length
with 5 cm increment lines.
Penetration Cone
Machine steel, hardened, plated,
1 sq. in cross section area,
30 deg. angle.
Holder
Alumunium handle.
Carrying Case
Wooden case.
Proving Ring
100 kg capacity.
Open End Wrench
Vanadium steel.
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