Column type, integrated feeding, large spindle; Automatic lubrication system; Top-top knob type can adjust the pressure foot interaction amount. A lëu bï a lëu bï a lëu bï a lëu bï a lëu bï a lëu bï a lëu bï a lëu A lëu bï ya looi në sofa, car interiors wala kɔ̈k peei. Ajuiɛɛr: 3.2/4.8/6.4/7.9/9.5/12.7