1、Simple Operation: These double needle needles have two elastic needles, and the crossing bar is connected to a shaft, which can prevent needle jumps and holes in knitted or elastic fabrics, forming single color and double color stitches, or sewing in a straight line in a pattern way at the same time to create exquisite patterns. 2、18pcs: There are 18 double elastic needles in total, which are enough to meet your daily needs, and are equipped with practical needle threaders to reduce eye fatigue. 3、Durability: These double needles are made of stainless steel and plastic, which are durable and have a long service life. 4、Plastic Box: The double needle set comes with a small plastic box, which allows you to conveniently collect and store double needles. 5、Perfect Gift: Double needles are good accessories for sewing machines, suitable for most household sewing machines, and can also be given to family and friends. 6 x Double Needle 2mm6 x Double Needle 3mm6 x Double Needle 4mm1 x Blind Threader1 x PP Box Item Type: Sewing Machine Double NeedleMaterial: Stainless Steel, PlasticProduct Size:Approx. 2 x 39mm / 0.08 x 1.5inApprox. 3 x 39mm / 0.1 x 1.5inApprox. 4 x 39mm / 0.16 x 1.5inProduct Color: Stainless Steel Color