Klasse' Stretch Needles Size 75/11 5 German-Engineered Steel Machine Needles This needle style is for knits with two-way stretch particularly for sewing elastic, and garments containing Lycra rubber in swim wear and lingerie. The specially designed scarf will prevent skipped stitching. With a unique curved design at the clearance-above-the-eye "CAE" stress point distributes pressure equally which makes Klasse needles much stronger then other flat conventional needles