Compatibility: Sewing machine needles are compatible with Singers, , , , and most home sewing machines. Multiple models: Sewing machine needles are available in five sizes: 65/9 (muslin and other fabrics), 75/11 (medium-thin fabrics, such as shirts, etc.), 90/14 (ordinary fabrics), 100/16 (thicker fabrics, jeans, etc.), and 110/18 (thicker fabrics). material: the machine needle is made of Metal, which has high hardness, good elasticity, needle tip, wear and high temperature resistance, smooth needle hole and long service life. There are five needle sizes: 65/9, 75/11, 90/14, 100/16, 110/18. The The thicker the needle, the thicker the material, and the thinner the needle, the thinner the material, the same length. Material: Metal colour: As shown Package Contents: 10 x HAX1 65/9: for thin fabrics (such as thick silk muslin, etc.) 10 x HAX1 for 75/11: for medium-thin fabrics (e.g. shirt fabrics) 10 x HAX1 90/14: suitable for medium-thick fabrics (such as spring and autumn jacket fabrics) 10 x HAX1 100/16: suitable for thick fabrics (such as jeans fabrics) 10 x HAX1 110/18: for thick fabrics (such as thick cotton fabrics) 5 x storage tubes 2 x metal bobbins 1 x 60in leather ruler Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.