DX9900-4U
4 NEEDLE, CYLINDER BED, DOUBLE CHAIN STITCH MACHINE FOR ATTACHING ELASTIC.
DX9904U
4 NEEDLE, CYLINDER BED, DOUBLE CHAIN STITCH MACHINE FOR ATTACHING ELASTIC CREATING 2 LINES OF FLAT LOCK.
DX9902-3U
2 NEEDLE FOR BOTTOM COVER STITCH, AND 3 NEEDLE FOR DOUBLE CHAIN STITCH, CYLINDER BED FOR ATTACHING ELASTIC.