DOUBLELIN APB-40S2 Prewound Bobbins, Size A, Black, 144 pcs

DOUBLELIN APB-40S2 Prewound Bobbins, Size A, Black, 144 pcs

• FIT LOGIC - Size A / Class 15 / SA156 plastic-sided prewound bobbins. Fits machines that accept this bobbin size; Size A, Size L and Size M are not interchangeable.
• THREAD SPEC - 40S/2 spun polyester = #60 = approx 34WT, Tex 30, Denier 270. Black thread, 144 pcs, about 58 yd per bobbin. Use where bobbin color should match top thread.
• BEST USE - For dark top-thread sewing and quilting, including garment seams, hems, topstitching, quilt piecing and repairs where a light bobbin would show as dots on the seam back.
• PLASTIC-SIDED LOADING - Smooth transparent plastic sides work in front-loading cases and top-loading drop-in compartments that accept Size A/Class 15 bobbins; cardboard versions are not Size A.
• VERIFY BEFORE BUYING - Check your manual for Size A, Class 15 or SA156, or measure an existing bobbin: 13/16 in diameter x 28/64 in high. Made in Malaysia; do not guess by machine brand alone.