needle:
The needles stand by third on a base. The needles are about 20 cm (7.9 in) long. They are blue-green, slightly twisted and triangular in cross section.
needle:
The needle has five needles on a base and is blue-green. The needles are easily folded and therefore not quite round. The needles are up to 8 cm (3.2 in) long.
needle:
A needle base holds three single needles together. The needles can be about 20 cm (7.9 in) long. They are often slightly rotated.
needle:
Three needles on a needle base. The individual needles are green, about 10 cm (3.9 in) long and slightly rotated.