Gutermann Tera 40 100% polyester continuous filament.
This Tera thread in continuous filament polyester has ideal sewing properties and excellent breaking strength and abrasion resistance. This makes it the optimal choice for particularly hardwearing holding and closing seams.
Product Advantages of Tera:
Very high tensile strength and wear resistance for durable seams
It may require a cone stand to feed into your machine correctly‚ and some people have difficulty using it on their home machines. though I have had no problems on an old Singer 201 and 99.
Suggested needle size: Metric 90-110‚ Singer 14-18
Spool size 400m
Made in Germany