Description 16X63-160 Groz Becket Needles 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. Size 9 (Metric Size 65) Size 10 (Metric Size 70) Size 11 (Metric Size 75) Size 12 (Metric Size 80) Size 14 (Metric Size 90) Size 16 (Metric Size 100) Size 18 (Metric Size 110) Size 19 (Metric Size 120) Size 21 (Metric Size 130) Size 22 (Metric Size 140) Size 23 (Metric Size 160) Please make sure these codes are on your empty machine needle packet to insure this is the right needle for your machine.
