The sharpest of all Schmetz needles are the Microtex. They are ideal for use with micro fibers, polyester, silk, foils and coated materials such as batiks. It has a very thin acute point that achieves beautiful topstitching precision when correctly sized.
Chrome resists heat and wear. Chrome will stay cool longer with less stitch distortion and aids the thread to pass through the needle eye with less friction and less heat build-up. Chrome also allows the needle to pass through the fabric with less resistance.