Precision-engineered for effortless stitching, Schmetz Double Twin Needles seamlessly create both single and dual color seams on a zig-zag sewing machine. Available in assorted sizes (1.6/70, 2.0/80, 3.0/90), these needles feature two universal needles on one shank for simultaneous stitching in two rows. Compatible with a variety of fabrics including wovens and knits.