Kukho iintlobo ezininzi ezahlukeneyo zeemveliso zeshaft, ezibandakanya ngqo, i-cylindrical, i-spiral, i-convex, kunye ne-concave shafts. Ubume kunye nobukhulu babo buxhomekeke kwisicelo esithile kunye nomsebenzi ofunekayo. Iimveliso zeshaft zihlala zichaneka ngoomatshini ukuze kuqinisekiswe ukuguda komphezulu kunye nokuchaneka komda, okubavumela ukuba basebenze ngokuzinzileyo kwizantya eziphezulu zokujikeleza okanye phantsi kwemithwalo ephezulu.