Sewing machine spare parts rotary hook HSH-7.94BTR(3) Dia.: 7.94mm Sewing machine spare parts ... FOR:MITSUBISH DB-189-10,10WBZ,11,L,DB-199-10,LS2-190-M1TZ,M1TZ4,M1TZ6,M1TWZ4,M1TWZ6We are hook and bobbin case ... coating and so on ,our capacity is 3 million pcs hook/year and 5 million pcs bobbin case/year /we also ...