Dual Duty Plus Button Thread 50yds - Black

coats clark dual duty plus button carpet thread. this is the strongest and heaviest hand sewing thread available. featuring a polished glace finished cotton covering and a polyester core it resists tangling and abrasion. this package contains one 50yd 45.7m spools. available in a variety of colors each sold separately. imported. Strongest and heaviest hand sewing thread. Cotton covered polyester. Polished glace finish prevents