Model number of double needle: 2/90 3/90 4/90Works in conjunction with a twin needle, you can use straight stitch or pattern stitch with two different colors of thread, making it more beautiful.Usage: can make wrinkle effect when using Wrinkled Sewing Presser FootCombined with double twin needles, fine wrinkle and 3D pleat can be made on thin fabric.1. Install the double twin needle and threading by hand .2. Draw baseline in the cloth with mark pen, then align the baseline to the center of the presser foot, sewing a fine fold.3. You can easily sew up more evenly arranged pleats, just clip the pleats into the slot of the presser foot;4. For better results, please sew at low speed

Product use: It can sew two identical stitches at one time, the most commonly used are two parallel straight stitches. Sewing machines that support twin needles can also be used for other pattern stitches. You can use 2 different colored noodles

Specification:Product name: Household multi-function double-ended needle

Product specification: 2/3/4mm

Product length: 3.9cm

Package include: 3pcs X Sewing Needles

Note：There is 2-3% difference according to manual measurement.Please note that slight color difference should be acceptable due to the light and screen.