This listing is for a Double Needle WALKING FOOT Gauge Set
The needle clamp in this set requires a screw-in needle bar.
For MITSUBISHI: DU-122
For TYPICAL GC-20618 GC-20606 HIGHLEAD GC20618-2
For CONSEW: 339 339R 339RB
For JUKI LUH-521, LUH-526 , LU-1560 , LU-1560N
And many other same style Double Needle WALKING FOOT machine