Package includes 10 x Assorted Genuine Singer Sewing Machine Needles that can also be used on many other machines such as Brother and other high quality sewing machines. Package includes: 2 x Size 70/10 Needles – The thinnest needle for the thinnest fabrics 2 x Size 80/12 Needles - For lightweight knits and synthetics 4 x Size 90/14 Needles - For medium-weight knits and synthetics 2 x Size 100/16 – For heavy-weight natural woven fabrics Singer recommends that you use only genuine Singer sewing machine needles in your Singer sewing machine. By using genuine singer needles, your machine will perform to its fullest potential.