... and reverse sewingPaperback type presser footThread tension regulating knobMovable arm/flat bed exchange sewing surfaceElectronic speed controllerBuilt-in a lamp makes ... 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