1、The bottom of the sewing machine needle is flat design and standard size, which can be stably installed on the sewing machine. 2、Needles of different sizes have different colored needle handles for easy identification and access. 3、No. 9 is used for thin fabrics, No. 11 is used for medium to thin fabrics, No. 14 is used for medium to thick fabrics, No. 16 is used for thick fabrics, and No. 18 is used for thick fabrics. 4、Made of strong alloy, wear-resistant and corrosion-resistant, it can be pressed and poked on the fabric many times. 5、These needles of different sizes are equipped with separate plastic boxes for easy storage and carrying. 5 x Plastic Storage Box3 x No.9 Machine Needle3 x No.11 Machine Needle 3 x No.14 Machine Needle3 x No.16 Machine Needle3 x No.18 Machine Needle  Item Type: Sewing Machine NeedleSpecification: 1 setModel: 65/9, 75/11, 90/14, 100/16, 110/18Suitable Fabric: No.9 needle is suitable for thin fabrics (such as chiffon and other fabrics); No.11 needle is suitable for medium and thin fabrics (such as shirts and other fabrics); No.14 needle is suitable for medium and thick fabrics (such as spring and autumn jackets); No.16 needle is suitable for thick fabrics (such as denim, etc.); No.18 needle is suitable for thick fabrics (such as denim, etc.)Application: Most household sewing machines