... 3)Produced with Japanese-made machine 4)good for socks underwear... Features:(1)spandex coverd yarn(2)Air-covering or ... for socks,sweater , jeans ,knitting cloth ,woven cloth and seamless underwear .It also can be used for large circular knitting machine ... T40200;A40210,T40210;A40300,T40300; A70200,T70200.4.products for seamless &small-circular knitting machineA2030,T2030;A2040,T2040;A2070,T2070; ...