... high efficient, up to 1000 patterns can be stored in the machine. Unlimited multi-span quilting and independent quilting. (180°, ... 360°patterns are available) High rigidity machine body ensure the machine quilts precisely at high speed with low noise. ... / 220v 60hz380v 50hz / 220v 60hz Computerized Multi needle chain stitch quilting machine for mattress cover, thickness up to 8cm !