Metallic needles have a large eye (twice as long and four times as wide compared to a Universal needle) which helps reduce stress on delicate metallic threads when stitching, resulting in less breakage and smooth stitching. A light ball point helps reduce friction when stitching in dense patterns, such as embroidery. Organ Sewing Machine Needles, Metal, 3 of size 90/14 and 2 of size 100/16, by Organ Needle Co., LTD.