NX Garden 24pcs Bobbin Case Springs Industrial Lockstitch Sewing Machine Parts Bobbin Case Metal Spring Sheet
Description
Material: Metal
Diameter: 2.1 cm
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.
Package included:
24pcs Bobbin case springs.