... -in 21 kinds of stitchesFour-step buttonholingForward and reverse sewingPaperback type presser footThread tension regulating knobMovable arm/flat bed exchange sewing ... accessory for sewing zipper, darning, buttonholing,buttonholing and sewing buttonSewing function: flat seam, blind sewing, zig-zag sewing, buttonholing, sewing ... *34.5Weight: G/W 8.6kgs, N/W 7.8kgs Multi-function Sewing machine ROSA