Portable automatic sewing machine sewing machine

-------------------------------------------------- ------------------------------ A-2 copper electrical standard portable sewing machine, packet machine 360 ??yuan NO .: OP-FB -02 National Delivery portable packet sewing machine has a single chain stitch packet firm, unpacking easy, suitable for fertilizer, rice mill, ore, diamond, salt, sugar and other items of various bags maximum sewing speed : 900 rev / extension pin Model: OP-FB-04 trace forms: single chain stitch 101 Specifications: 21 12-18 stocks thread pitch: 5-11mm (adjustable) Dimensions: 330 * 268 * 160mm sewing material thickness: 8mm (approximately four sacks) Net weight: 4.5kg double insulated motor voltage: 220V Power: 90W Speed: 9000r / min Frequency: 50Hz-60Hz phone; 15940255243