Chrome 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.
5 Schmetz Chrome Microtex needles
Chrome plated. Very slim acute point.
Micro fibers, polyester, silk, foils, artificial leather, coated materials. Very thin acute point creates beautiful topstitching and perfectly straight stitches for quilt piecing when precision is paramount.