... size ...... The independent research and development of industrial sewing machine needle from GRAND is with a specific energy-saving ... it will help you realize direct driving of industrial sewing machine. GRAND Servo motor advantages:1,energy saving, environmental ... Range:0A-2ARated speed:6000rpmSpeed range:300-6000rpmRecommended:JUKI, YAMATO, Pegasus, SIRUBA and domestic brand of sewing machines. ...