Groz-Beckert KG's G 00 needles prevent longitudinal striping and double loops during knitting operations in which the hook of the knitting machine is exposed to excessive stress. The company's Hofa-Spec needles minimize variations in loop structure during the knitting of delicate hosiery yarns. An elastic double slot, dynamically centered latch combing, and polished surfaces inside the hook ensure perfect loop formation and long needle life. Needles with predetermined breaking lines for single cylinder sock machines feature smaller cross sections and defined geometries to prevent damage to thick walls, SAN 10 needles in gage Nm 70/10 feature the stability of gage Nm 75/11 needles with the fiber displacement of Nm 65/9 gage needles.