30 Groz-Beckert 135X17 DPX17 SY3355 Walking Foot Sewing Machine Needles

30 Groz-Beckert 135X17 Sewing Machine Needles Description: Set of 30 Groz-Beckert® Industrial Sewing Machine Needles for Many Walking Foot Industrial Upholstery Machines. Needle System* :  135X17, DPX17 135X17 Needles are also sold under these style numbers : DPX17, 135X17, 2167, SY3355, 335-0311 *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. You'll receive 3 packs of needles. Each pack contains 10 needles. Groz-Beckert 135X17 needles are available in following sizes. Please select your size : Singer Size 12 (Metric Size 80) Thinnest size we c