This machine is a Two needle, Post bed, compound feed with walking foot lockstitch sewing machine.  It is equipped with a climbing device that allows the adjustment to the alternation of the upper feed of the machine to climb over different thicknesses of material without using any tools.  This can be done on the "fly" so downtime of the machine due to setup is virtually nil.  Developed from the regular TN-1508 series machine, it has a working space of 250 mm(10") x 270 mm(10.8") which helps with long or larger workloads.  It is suitable for sewing medium to heavy duty materials, such as sofa, car seats, bags, sports goods, etc.