Long arm 2 needle sewing machine double needle sewing machine Applications For sewing medium & heavy materials such as fabric, leather, synthetics etc. Suitable for sewing such products as suitcase, tents, tarpaulins, sofa, clothes, leather products etc. Features Plunger pump lubricating system Arm shaft and hook shaft are supported by ball bearing, timing belt driving Compound feed mechanism assures even feed of materials Double vertical auto-lubricating rotating hooks Sliding thread take-up High pressure foot lifter assures easy input and output of materials Safety clutch to protect the rotating hook 72*27*67 cm