Juki 040-56349021H Large Bobbin Case KRT-5LJ-S Sku. (010).  (Made in Japan)not china)  inside diameter of case is 1”, Fits LU563 Etc. Case Fits Juki Hook #B1830-563-0A0 & Hirose HSH-12-15MMJ Condition is "New".                           ( price is for bobbin case only)             (USES FORKED THREAD TENSION SPRING,040-563-48963 or singer 236083  sku (121) spring is included w/case     (uses a 1"Dia. Bobbin style U)