Feature 1The double needles of these machines are made of stainless steel and plastic, sturdy and durable, and have a long service life. 2The double needle comes with a durable small plastic box that allows you to conveniently collect and store. 3Using this product, you can sew 2 identical needles at a time, the most commonly used is 2 parallel straight needles. 4A sewing machine that supports double needles can also be used for other pattern stitches, and can use 2 different colors of upper thread. 5These double needles are good accessories for sewing machines and are compatible with most multifunctional sewing machines.Item Type: Sewing Machine Twin NeedlesProduct Specifications: 1 x 2/901 x 3/901 x 4/901 x 2/801 x 3/801 x 4/801 x 2/751 x 3/751 x 4/751 x 3/2/90 (2.5/90)Product Material: Stainless steel, plasticProduct Use: HouseholdSize: Approx. 38mm / 1.5in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List10 x Twin Needles