BabyLock, Simplicity Serger Lower Looper Fits Models, NS, EF405, BL3-318, BL3-406, BL3-407, BL3-408, BL3-416, BL3-417, BL3-426, BL4-436, BL4-436DF, BL4-714, SL600, SL660, SL700, SL800

405-6101-02B