Formerly known as Metrocor. Seracor is a 100% Polyester General Purpose Corespun Serger and Long Arm Quilting Thread.
Specifications
Can also be used for General Quilting and Sewing. Optimal elongation, exceptionally smooth and shrink proof. 2500m/2734 yds per cone.

Recommended needle size 70-80.

Matte finish. Tex 24.

Strength 120. 2-ply. 50 weight.

Sold 4 per box.