... quality under strict quality control 3.Cheapest and Reliable Sewing Machine Characteristics:Aluminum alloy frameBuilt-in 21 kinds of stitchesFour-step ... accessory for sewing zipper, darning, buttonholing,buttonholing and sewing buttonSewing function: flat seam, blind sewing, zig-zag sewing, buttonholing, sewing button ... *34.5Weight: G/W 8.6kgs, N/W 7.8kgs Multi-function Sewing machine ROSA