The CPS Piano Pedal Extender with 3 Pedals (piano foot-pedal stool) is 14 wide and 12.5 deep and weighs about 16 pounds. The height of the pedal extender can be adjusted instantly from 5.5 to 9 with 4 positions as measured from the floor. It gives students proper weight balance and enables earlier use of pedals. The piano pedal extender fits all makes of pianos (grand upright console spinet Steinway Wurlitzer Yamaha Kawai Baldwin and Kimball etc.) and can be switched back and forth instantly. The adjusting mechanism of the piano pedal extender is made of heavy gauge steel. It is strong and durable and will not collapse or slip down after adjustment. The body of the pedal extender is made of SOLID HARD WOOD and pedals are made of POLISHED BRASS. No assembly required. Available in walnut color. This product carries a one-year limited warranty against defects in materials and workmanship.