Description: Durable material: made of stainless steel with good quality, they are durable and sturdy for a long lifetime Easy to use: Stretch twin needle is a good accessory for the sewing machine. It also makes two rows of stitches at the same time, It is suitable for knitted fabrics, denim, ultra sued, etc. More creation: Use straight stitches or pattern stitches with two different colored lines to make it more distinctive. You can use the double stitch to recreate the ruffled look of knitwear. Package: totally includes 10 pieces twin needles, 2/90、3/90、4/90、2/80、3/80、4/80、2/75、3/75、4/75、3/2/90(2.5/90); And the sizes are clearly marked on the yellow area Widely used: good accessories for sewing machines and are compatible with most sewing machines. suitable for Butterfly, Brother, Singer, Janome and other multi-purpose sewing machines. Please keep them far away from children. Package Includes: 10 Pieces Twin Needles