... are do precise design ,which greatly improve the embroidery products accuracy.4. Using big size hook, ... the control, which also improves the precision of embroidery designs.6. Apply Rollers instead of pantograph,achieve ... continuous quilting in Y direction.7. Option:single sequin, twin sequins,auto oiling system.SPECIFICATION MODEL HEAD ... 136mm 233 33 2 101.6mm computerized quilting embroidery machine