PFAFFTwin Denim Needle 4mm Size 100/16 1-Pack

Needles Specially Designed To Work With Heavy Weight Denim Fabrics Creates two rows of stitches simultaneously and uses two spools of thread and one bobbin thread. Reinforced blade with the rounded tip and tapered end reduces breakage and skipped stitches. For optimum performance, change your needle every 6 – 8 hours of sewing and/or type of fabric.