Gathering foot suits all 5mm and 7mm machines
9MM are another class of machines (looks the same but it wont fit 7mm machines)
The Gathering Foot can be used for lightly gathering fabric as well as attaching the gathered edge to a flat (ungathered) fabric, at the same time quickly and easily. The gathering foot will allow the sewer to gently ease or slightly gather fabric for various garment and home decorating applications.
Guaranteed to fit most Janome and Elna 5 and 7mm Sewing Machine Models: