This #90 Spun Poly bobbin thread is recommended by Brother for their embroidery machines such as the “HE 1, PE500, PE700, PE750, PE770, PE780D, PR600, PR1000, VE2200, and the SB7050 embroidery machines. Also designed for Simplicity, Baby lock, White, Viking, and Pfaff domestic sewing machines.
The clear plastic sided bobbin works in conjunction with the thread sensors , and consistently lets the operator know when the bobbin thread is about to run out. The bobbins run virtually lint-free and offer the operator significantly more stitches per bobbin than machine-wound bobbins. It also helps balance needle thread tension, and offers high tensile strength, low elongation, and low shrinkage..