... easy to take on the tape pull round device, easy adjustment of the elastic needle plate. ... round with take up on prevention device. 4, double automatic feed device and auxiliary send gum rubber components ... . 5, the side with the device. 6, while the rack (LaSha frame) ... device. 7, stop lights. 8, computer automatic speed control system. 9, automatic oil pump. K-400-B8 multi-function ...