Description Plain Sewer Needles 16X231-100 A needle system is a group of needles made to fit specific sewing machines. All needles in a system are of the same length and shank size, but are of various diameters. Lower size numbers are narrower or thinner needles used for lighter materials. Higher size numbers indicate a needle of thicker diameter, used for heavier materials. Match your needle system to your machine, then the size of the needle to the product you are sewing. Singer Size 9 (Metric Size 65) Singer Size 10 (Metric Size 70) Singer Size 11 (Metric Size 75) Singer Size 12 (Metric Size 80) Singer Size 14 (Metric Size 90) Singer Size 16 (Metric Size 100) Singer Size 18 (Metric Size 110) Singer Size 19 (Metric Size 120) Singer Size 21 (Metric Size 130) Singer Size 22 (Metric Size 140) Singer Size 23 (Metric Size 160) 16X231 Needles are also sold under these style numbers : DBX1 287 1738 These needles are suitable AND THE MOST POPULAR for most industrial Plain Sewing Machines. Please make sure these codes are on your empty machine needle packet to insure this is the right needle for your machine.
