Wood material, It’s double the weight of plastic. Stable and antiskid Advanced hydraulic device,more advanced than spring and longer service life.No noise Design with 3 PEDALS. Also applies to the two-pedal piano.Adjusted easily from 5.5" to 9" Compatible With Any Piano.No assembly required If you need lightweight also stable products,please search: B076XSG53T Product details
1.Mini Size:17*13*6.7 inches
2.Max Size:17*13*13.7 inches
3.Material:WOOD
4.Color:Black
5.Packing:Carton/Carton Size:19.5*16*11 inches
6.NW:13lb/GW:15.5lb

Features
The piano pedal gives students proper weight balance and enables earlier use of Pianos. Advanced hydraulic device,more advanced than spring and longer service life.
The piano pedal extender fits all models 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 WOOD and pedals are made of POLISHED BRASS.
No assembly required. This product carries a one-year limited warranty against defects in materials and workmanship.