Mfuti iyi yomangira nayiloni imagwira m'lifupi mwake kuchokera pa 2.4mm mpaka 9.0mm. Chidachi chimakhala ndi chogwirizira chofanana ndi mfuti kuti chitonthozedwe, komanso kupanga zitsulo.
Pakuti yomanga chingwe ndi mawaya mwamsanga, kudula kumanzere mbali ndi Buku.