This is the upper cutting blade for several Brother sergers. It works against the lower knife to trim the fabric edge just ahead of the overlock stitches. Replace it when the serger starts chewing or leaving ragged edges instead of cutting cleanly.
Listed by Brother parts suppliers for: Brother 1034DX, 3034D, 4234D, 4234DT and 5234PRW.
If you have the original 1034D (without the X), please check with us first, because suppliers list a different upper knife for that model.
Genuine Brother part. Brother part number: XB1687001.
Not sure it fits? Contact us with your machine model before ordering and we will check.
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