Singer 107W1 & 3 & 5 & 17 Hooks & Bases

DP2=098150074 Genuine Hirose hook & base manufactured in Japan excellent quaility.

BC-107(2)NBL = 224441NBL Bobbin case made in Japan by Towa excellent quality. Fitted with NBL603 spring. Will also fit Durkopp 252,253,254,255,264. Singer 224441NBL. Brother 107097101. For steel spool use 210530 or aluminium use 146025001.