Create pintucks and embellish your sewing, quilting and heirloom projects with Schmetz Twin Needles. For use in home sewing machines that can do a zigzag or other decorative stitch, or that have a wider opening in the mouth plate to accommodate the twin needle. Schmetz #1794 contains 1 twin needle:130/705H ZWI 4,0/80. The spacing is 4mm between these size 80 needles.