Tai Sang embroidery machine vista model 431 FEATURES OF MACHINE Chenille/Chain Stitch. SPECIFICATION OF MACHINE Dahao Computer Technology (10 inch LCD), Trimmer, Main Servo Motor, X & Y Axis Servo, Italian Belt- 50mm. NEEDLE: 4 HEAD: 31 HEAD TO HEAD AREA: 240 AREA OF X & Y AXIS: 720 X 1750 Model: Vista Speed: at 650 - 700 RPM