... Fully computerized, drumless, high speed and operate knitting with 4colors yarn feeders changers. high production. ... a drugmless,double cylinder,fully electronic automatic socks knitting M/C,can knit various sock for man, ... wrinkle pattern with high speed.also it operate knitting with 4 colors yarnfeeder changers by theirs sequance- ... 3 3/4'',4'',4 1/2''number of needles: 3 3/4''=120N~156N(200N)4''=120N ...