... closed lube, significantly prolongs the service life.3, easy to take on the tape pull round device, easy adjustment of the ... , automatic warp-lacking control device.3, tape pull round with take up on prevention device.4, double automatic feed device and auxiliary ... needles)12-14-15-18-20.3,the woof line up few Bs 3.4,Speed:1400S/Cent5,Noise:Lower than ...