Available with single or double treadles, the Schacht Matchless Spinning Wheel is the most responsive spinning wheel on the market. It's Capabilities are truly Matchless. The Schacht Matchless Spinning Wheel offers double drive, Scotch tension, and bobbin lead modes of operation. It has one of the widest ranges of ratios of any spinning wheel available today. Wheels come with two flyer whorls (medium and fast); four additional flyer whorls offer spinning ratios from 4:1 to 22:1. Also included with each wheel: 4 bobbins, threading hook, Lazy Kate and a carrying strap. The 19 1/2" drive wheel and flyer shaft are supported by self-aligning bronze bearings for precise action. Each flyer is individually balanced and the bobbins and flyer whorls are trued on center for long and superior service.