PFAFF-Compatible Grand Piping Foot for IDT | Groups G, J, K & L | #820977096 Groups 7-9 Those are sibling needle plates

Those are sibling needle plates for different serger models

The OEM page states that it is not for the Designer SE series or Designer I and II

Hobby and Passport models

TRIBUTE 140M or 145M

PFAFF-Compatible Grand Piping Foot for IDT | Groups G, J, K & L | #820977096 Groups 7-9 Those are sibling needle platesThis grand piping foot handles thick home decor cord, helping you wrap cord in fabric and insert the finished piping into seams or edges for a tailored finish. The snap on foot can mount to the right or left of the needle. Use one side to make and insert piping, then the other to topstitch neatly alongside it while the machine's IDT system feeds the layers. It is listed for PFAFF accessory Groups G, J, K and L, with Group K excluding SMARTER BY PFAFF