GN20-3 Carpet sewing machine (three lines) adopts three-line sewing with fair and firm lines, strengthen the function of tuning, suitable for various carpets sewing use.Thread line: 3 Max sewing speed: 1400 Max sewing thickess:10mm Max overedging width:8-15mm Needle etitch range:4-10mm Thread track:504 motor power:400W G.W/N.W: 40Kg/35Kg