Give your sewing machine the bling she deserves with Swarovski Cyrstals! Thread Cutterz introduces a revolutionary, mountable cutter that cuts thread, yarn, and embroidery floss! It can be mounted to sewing machines and virtually any clean, flat surface using the supplied adhesive. The Thread Cutterz flat mount cutter is the perfect solution if your sewing machine's cutter is dull, if it is in an inconvenient location or if it was not equipped with a thread cutter. Finally, a cutter that you can mount exactly where you want it. Genuine Swarovski Crystals Two-sided stainless steel blades cut from either side Ultimate in durability and safety. Heavy duty 3M adhesive included Mounts to virtually any smooth, clean, flat surface.