... m²Sewing Speed500 ~ 2000 SPMStitch Length2 ~ 7 mmDimensions(L×W×H)5.4 m×3.5 m×1.4m5.6 ... O Supply two sets of pressing-foot device to sewing-head for your option in vary conditions. Its very easy ... to change them.O Single head, single needle, double-line locked style, big rotating shuttle ... or manually, it will reduce stops. computerized single head embroidery machine