Square Armed Sewing Machine is a high speed machine for wide industrial use and consists of balanced rotary hook and spiral bevel gears. The Square Armed Sewing Machine also has pressure foot that can be controlled by hand or by special knee lifter. The Square Armed Sewing Machine provides quick action lever release and requires minimum maintenance for long life. Square Armed Sewing Machine can perform 3000 stitches per minute and 5 to 30 stitches per 25 mm.