Fil-Tec Magna-Guard Craq-Spun Nomex White Style L Prewound Fire Resistant Bobbins 40wt 20pc Jar 60141

Magna-Guard bobbins are specifically created with Fil-Tec's patented magnetic-core, thus ensuring uniform tension throughout the entire bobbin when used in conjunction with the Blaze-Guard top thread. They are the top bobbin choice for fire and safety, aeronautics, motor sports, and other applications where safety standards are required.

Main Features

• Fire-Resistant Bobbins (FR)
• Wound on Fil-Tec's patented magnetic core, which provides flawless tension throughout each and every bobbin
• Desired when complying with industry standards for fire, safety motorsports and other applications where safety standards are required