Knife Simplicity SL4380ED Up
For Babylock models BL402 Protege, BL550, BL5370ED, Riccarlock RL739DE, RL749L, SergeMate ST600L, Simplicity SL4380BH, SL4380ED, SL4390ED, SL4690L
For Babylock models BL402 Protege, BL550, BL5370ED, Riccarlock RL739DE, RL749L, SergeMate ST600L, Simplicity SL4380BH, SL4380ED, SL4390ED, SL4690L
