Fully computerized, drumless, high speed and operate knitting with 4colors yarn feeders changers. high production. GD-WSD,as a drugmless,double cylinder,fully ... sports,designed plain,rib links and wrinkle pattern with high speed.also it operate knitting with 4 colors yarnfeeder changers by theirs sequance ... 350kgGross weight:450kgs GD-WSD FULLY COMPUTERIZED DOUBLE CYLINDER SOCKS KNITTING MACHINE