This listing is for 2 PCS Brand New Plastic Bobbin Case # NB1275000 that fits the following models.

for EUROPRO SHARK MODELS - 6130, 6130A2, 9110.

for HUSQVARNA VIKING MODELS - Emerald 183, Husky Star C10, C20.

for PFAFF MODELS - Smart 100S, 200C.

for SINGER MODELS - 3500 Series, 3709, 3709-1, 3722, 3722-1, 3750, 3810, 3815, 3820, 3820-1, 3825, 3825-1, 3860, 50T8, 6510, 6550 Scholastic Plus, 7310, 7312 Decor, 7322 Decor, 7330, 7350, 7350-1, 7360, 7380 Quilter, Scholastic E99670.

for WHITE MODELS - 3100.

Alternate Part Numbers - E12774000, E1A2824000, 4161480-01, (416 14 80-01).