Janome Serger Lower Knife for Models 1110DX, 634D, 3434D and More
This is the replacement Lower knife that originally came on your serger listed below. If your serger is not trimming the material as good as it used to then it might be time to change the cutting knife.
Use with Janome Models: 1110DX, 204D, 434DR, 634D, 644D, 7034D, 9002D, HF3434D, HF504D, HF9102D HF7933,
Use with Necchi model: S34
NOTE: It is recommended that you replace both the upper and lower blades when you replace the blades. Not doing so can damage the new blade.