Chaintitch, 3 needle feed of the arm machine with direct drive motor and integrated panel. Utilized for riveting and double interlocking seam on jeans. Siutable for trousers crotch and riveting of the upper. The machine is equipped with automatic adjustment of the tensioner for a perfect closure of the seam even on inequality, Belt puller for a perfect feed even on the most heavy materials. Pneumatic Thread-trimmer with wasted suction device.