KLASSÉ universal sharps sewing machine needles provide a flexible set for general sewing on woven fabrics, some knits, and synthetics. This cassette includes 5 needles in assorted sizes 70/10, 80/12, and 90/14, letting you match needle size to different fabric weights without buying multiple packs. Pick the right size before you sew, and change needles regularly for consistent stitch quality every day.