1. Rauemi: X46Cr13 / 4Cr13(he kowiri tira), 20MnCr5/20CrMnTi (te rino para) kua whakaritea
2. Te pakeke: HRC54-60.
3. Diameter: 1.0mm ki runga ki te 28mm; Te diameter o waho: ki runga ki te 1800mm.
Ka taea e taatau te whakarite i nga momo mowhiti rereke mo nga tohu maha, penei i te CPM, ZHENGCHANG, FAMSUN, BUHLER, YEMMAK, BAHOO, YULONNG, IDAH, CPP, OGM.