for plain-weave stocking and jacquad stocking machine Cylinder diameter:4 inch. No. of needles:340-434N. Needles ... crotch, bikini, Jacquard bikini, pattern on both sides, float line/ reinforcement/ set circle pattern, color jacquard, bag type heel, abdomen hips ... control the number of waste products so that makes the machine work to its maximum efficiency.Self-developed electronic control system ...