GK26-1A portablepaper bag sewing machine Electrical source 240V/220V/110V 50-60HZPower90WSewing speed1250 needel/minuterMaterial thickness8-10mmNeedle specificationDNX1#25Stitch length6.5mmThread specification20s/6Machine dimension(LXWXH)mm370x275x305Net weight5.5kg 1) sing thread chain stitch, 2) safe plastic handle, 3) alloy aluminium die-casting shell 4) auto thread cutting set, 5) seal motor,steel cam, 6) easy operation 7) seal paper,plastic,gunny bag 8) this kind can be operated only by one person,easy in operation,use the left hand to hold the bag,the right hand to hold sewing machine,and press the switch lightly,and the machine will move on the bag,the operation should be smooth.ater finishing,the hand with drawing,the thread will be cut.