... ,heavy fabric 3.high speed straight stitch sewing 4 in 1 sewing machine SM-20UZigzag sewing machineDifferential gear wheel body ... and light material. So it is especially available in stitching packages, toys, stationery and other similar goods ... sewing riding boot, gym shoes, leisure, sponge shoes, baby's shoes, high grade leather shoes and all kinds ... shoes, riding boots and so on. 4 in 1 sewing machine