Style L Magnaglide Bobbins. The patented magnetic-core creates consistent delivery throughout the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic-core prevents backlash or over-spin and eliminates the need for backlash springs. 100 bobbins per box. 130yds of thread per bobbin.

Main Features

Uniform Tension Control
Fil-tec’s patented magnetic-core creates consistent delivery throughout the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic-core prevents backlash or over spin & eliminates the need for backlash springs.

Fewer Bobbin Changes
The magnetic-core bobbin offers significantly more stitches per bobbin, reducing defects & increasing productivity.

High Quality Polyester Yarn
Fil-Tec uses only the finest quality, high tenacity polyester yarns to make their patented magnetic-core embroidery bobbin.

Clean Running
Advanced EB cross-link technology reduces lint & residual build-up in the bobbin case & tension spring. The result is a more trouble-free bobbin.