1needle diameter: 4'' 4-1/2'' 2needles & diameter selectors: 192-400N, 4 needle selectors JW-600H Automatic computerized high speed jacquard stocking machines can make stockings with the material of nylon. Main specifications and parameterstypeJW-600H needle diameter4'' 4-1/2'' needles & diameter selectors192-400N, 4 needle selectors machine power cost1.5KW electrical source380V+10%; frequency 50 ...