This genuine Juki replacement upper blade fits Juki model MO-1000 and MO-2000 QVP. NOTE: It is recommended that you replace both blades at the same time. Not doing this can damage the new blade.

The genuine Janome upper serger blade knife fits models 204D, 504D, HD504D, 634D, 1110D & 888. NOTE: It is recommended that you replace both blades at once. Not doing so can damage the new blade.

This genuine Juki serger replacement upper blade fits Juki models: MO-50 & MO-51. NOTE: It is recommended that you replace both blades when you replace the blades. Not doing so can damage the new blade. 

This genuine Juki serger replacement lower blade fits Juki models: MO-1000 and MO-2000 QVP. NOTE: It is recommended that you replace both blades when you replace the blade. Not doing so can damage the new blade. 

The genuine Janome upper serger blade knife fits models: Four-DLB, 7034D, 9002D, HF3434D, HF9102D, HF7933, 8002D, 9002D,  9102D, HF504D, Necchi S34 & Kenmore 385.16622. NOTE: It is recommended that you replace both blades. Not doing so can...

This genuine Janome replacement lower blade fits models 1110DX, 204D, 434DR, 634DR, 634D, 644D, 7034D, 8002D, 9002D, HF3434D, HF504D, HF9102D, HF7933 & Necchi S34. Note: it is recommended that you replace both the upper and lower blades at the...

The genuine Janome replacement Upper Knife Fits: Janome/New Home Models: 104D, 134D, 203, 234, 234D, 303, 304D, 334, 334D, 434, 434D, 534D Kenmore models: 385.1564180, 385.16631, 385.16633790, 385.1664190, 385.16642090 Pfaff Models: 752, 4752 NOTE:...

Juki Serger Replacement Lower Blade Juki Models: MO-613, MO-623, MO-634, MO-634D, MO-634DE, MO-634DEV, MO-644, MO-644D, MO-654DE, MO-655, MO-655DE, MO-735 Bernina / Bernette Models: 003, 004D, 006D, 007D, 008D, 009D, 1100DA, 115MDA, 1150MDA,...

This genuine Juki Serger Replacement Upper Blade Fits Juki Models: MO-623, MO-634, MO-613, MO-634DE, MO-644D, MO-654DE, MO-655, MO-655DE, MO-734DE & MO-735. Bernina Bernette Models: 003, 004, 003D, 004D, 006D, 007D, 008D, 009D, 1100D, 1100DA,...

The genuine Singer & Pfaff serger replacement lower blade fits: Singer Models:14U12A, 14U13A, 14U23A, 14U32A, 14U34, 14U34B, 14U44, 14U44B, 14U46, 14U46B, 14U52A, 14U53A, 14U64A, 14U65B, 14U85B, 14U234, 14U234B, 14U285, 14U286, 14U344, 14U354,...

The genuine Singer & Pfaff serger replacement upper blade fits: Singer Models:14U12A, 14U13A, 14U23A, 14U32A, 14U34, 14U34B, 14U44, 14U44B, 14U46, 14U46B, 14U52A, 14U53A, 14U64A, 14U65B, 14U85B, 14U234, 14U234B, 14U285, 14U286, 14U344, 14U354,...

This genuine Brother serger replacement lower Blade fits models 1034D, 929D, 925D & DZ1234. NOTE: It is recommended that you replace both blades when you replace the blade. Not doing so can cause damage the new blade.