Singer 66K Plastic Bobbins (10pcs.)
Plastic Bobbins for Singer/drop in Bobbin Machines (66K) Sewing Machines.
For Best results use the same thread on the bobbin and on the sewing machine.
20mm diameter / approx. 7.8mm rim to rim
Set of 10 pieces.
Thanks for the above they arrived fairly promptly in good condition and wet ok very well