About the product
- 20PCS BOBBIN CASE #BC-DBM Series (No Back Lash) SPRING .
- Suitable for 1\" Diameter \"M\" Style Bobbin Cases using Large Capacity Hook.
- Compatible with/Replacement for JUKI brand SINGER brand CONSEW brand BROTHER brand AND most walking foot type sewing machines
- No-Back-Lash brake spring which puts constant , light pressure on bobbins to overcomemomentum. Bobbins stop spinning faster, preventing unraveling or tangling of bobbin thread when sewing operations stop and start.
