Lower Looper for Brother Serger # X77774001
Genuine Brother replacement part. Number 57 in the main picture. The other items are sold separately and are shown for example purposes only.
For use with Brother: 355D, 455D, 555D, 655D, 734D, 734DS, 755D, 929D, 1034D, 1034DAV, 1034DLE, 1034DX, 1134D, 1134DW, 1334D, 1334DE, 1534D, 1634D, 2034D, 2104D, 2104DAV, 2504D, 3034D, 3034DWT, 3100D, 3100DL, 3234DT, 3534DT, 4100D, 5100D, DZ1234, HF4000ST, M343D, SB3734T, ST4031HD, ST4031HDH, and others.
Check your manual for part number(s): X77774001