These Viking bobbins have a inward concave on one side.
Fits the following machines: Husqvarna Viking Sewing Machine Models: 1250, #1, #1+, 150E, 960Q, 1200, 1100, 1090, 1070 (S), 1050, Orchidea, Selectronic 630 White Sewing Machine Models: 8410 Euroflair, 9800
