Also referred to as a Double Needle. With narrowly spaced needles, this Universal Twin Needle is perfect for sewing dual rows of stitches stitches. Can be used with zig zag machines that thread front to back. System: 130705 H ZWI. Assortment includes 1 each of sizes: 1.670 Needle Distance: 1.6mm. Needle Size: 1070 2.080 Needle Distance: 2.0mm. Needle Size: 1280 3.090 Needle Distance: 3.0mm. Needle Size: 1490. Total of 3 needles per pack. Carded.