Compatibility: Sewing machine needles are compatible with Singer, Brother, and most home sewing machines. Multiple models: Sewing machine needles are available in five sizes: 65/9 (for lightweight fabrics such as muslin), 75/11 (for medium-thin fabrics such as shirts), 90/14 (for medium-weight fabrics), 100/16 (for thick fabrics such as denim), and 110/18 (for extra-thick fabrics). High-quality material: The machine needles are made of high-quality metal, offering high hardness, good elasticity, sharp tips, wear resistance, high-temperature resistance, smooth needle eyes, and long service life. Needle sizes included: 65/9, 75/11, 90/14, 100/16, and 110/18. Thicker needles are suitable for heavier fabrics, while thinner needles are ideal for lighter fabrics. All needles are of standard length. Material: Metal Color: As shown Package Contents: 10 x HAX1 65/9 needles (for thin fabrics such as muslin) 10 x HAX1 75/11 needles (for medium-thin fabrics such as shirt fabrics) 10 x HAX1 90/14 needles (for medium-thick fabrics such as jacket fabrics) 10 x HAX1 100/16 needles (for thick fabrics such as denim) 10 x HAX1 110/18 needles (for heavy fabrics such as thick cotton) 5 x storage tubes 2 x metal bobbins 1 x 60-inch leather ruler Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error is +/- 1-3 cm.