Peggy's Stitch Eraser can save you money by significantly reducing the number of mis-sewn garments you have. The Stitch Eraser actually removes stitches without harming the garment underneath. The razors cut one layer at a time allowing you to cut the bobbin thread and easily brush off the top stitch. This syle #3 is corded. Peggy's Stitch Eraser has a 6 month warranty when warranty card is sent in.