Dark Gray Color, Fire Fighter - Flame Resistant, Machine Embroidery Thread, (#40 Weight, Ref. N1640), 1000 yd Spool by MADEIRA Options:# 40 --- 1000 yards Spool * Color: Lemon Quartz Yellow

* Color: Lemon Quartz Yellow

This tape disappears nicely in the bottom hem

protects against UV rays

The Universal Scissors Sharpener is perfect for returning all of your favorite scissors to their original condition

The bottom hole director is used for larger fibers or skeins

Dark Gray Color, Fire Fighter - Flame Resistant, Machine Embroidery Thread, (#40 Weight, Ref. N1640), 1000 yd Spool by MADEIRA Options:# 40 --- 1000 yards Spool * Color: Lemon Quartz YellowFire Fighter is a fire resistant embroidery thread that was developed for fire and safety. Applications include aeronautics, utility services, motorsports and other fields where safety standards are required. Fire Fighter flame resistant machine embroidery thread is made from 100% Aramid which contains Nomex branded fibers from Dupont. Madeiras Fire Fighter embroidery thread complies with ISO standards ISO 6941, ISO 15025 and DIN EN ISO 11612 D + E.