Guaranteed to fit Bernina sewing machine models:
800

Guaranteed to fit Brother sewing machine models:
1034D Serger, 1034DAV Serger, 1134D, 1134DW Serger, 2034D, 3034D, 4234D, 4234DT Serger, 5234PRW Serger, 546, 546D, 626D, 634D, 640D, 730DE, 760DE, 834DP, 920D, 925D, 929D, 934D, 935D, 9700LD, BAS-750, BAS-761, DZ1234, EF4-B641, EF4-B651, EF4-N21, EF4-V41, EF4-V41A, EF4-B511, EF4-V51, EF4-V51A, EF4-V71, EF4-V72, EF4-V81, EF4-V82, FA-V71A, FA-V72A, FA-V81A, FA-V82A, FA-V91A, FA-V92A, FB-N110, FB-N210, FB-N310, FB-V41A, FB-V51A, FB-V61A, M1034DAV, MA4-B551, MA4-N31, MA4-V61, MA4-V61A, MA4-V91, MA4-V92, Overlock EF4-B531, PL-1050, PL-1500, PL-1600, PL-2000

Guaranteed to fit Husqvarna Viking Serger machine models:
Huskylock 1000, Huskylock 234D, Huskylock 330, Huskylock 360, Huskylock 360D, Huskylock 460, Huskylock 460D, Huskylock 460T, Huskylock 560, Huskylock 560D, Huskylock 560DT, Huskylock 560ED, Huskylock 560EDT, Huskylock 560T

Guaranteed to fit Singer Serger machine models:
842U