Function: Stitching tents,seat cushions,horse gears,and gunnysacks,cars seaming and so on. Model: 1800Features:This machine utilizes bobbin winder and big rotary shuttle,especially available for sewing thick seaming work piece.Highest sewing speed: 1200/minLargest needle distance: 13mm Press foot and raise height: 13mm Using machine needle:DB×1 Press foot and raise height: 13mm Power: 370W/250W