Item No.  4011770  Steel bobbin  

Bobbin;Steel,21.1x6.04x9.1mm  Diameter x Height:21.1x9.1mm  Axis Diameter:6.04mm

Package of 10 bobbin.

Quality bobbins made to exact sewing machine's specifications.

For Viking 7, 21, 21E, 49, 51, 52 metal.  (Steel)