Description Overview Sewing head: chain stitch Weight: 550 kg Specifications Mattress thickness range: 30 to 450 mm Working table size: 1460 x 1960 mm Lifting mode: electric lifting Lift height range: 0 to 280 mm Deceleration mode: automatic deceleration Power supply mode: electric cable should hang on the ceiling Voltage: 1-phase, 220 volts 60 or 50 Hz