Steinway M Grand Piano September 21, 2016 admin 5' - 6' Length, Brands, Grand Pianos, Steinway Steinway M Serial Number: 304257 Finish: Ebony Polish Size: 5’7″ Warranty: 5 Years Other pianos you might like...Weber WLF430 Console Weber WLF430 console #T00116906 Yamaha C5 Grand Piano Yamaha C5 Serial Number: 5344215 Finish: Ebony Polish Size: 6'7" Warranty: 5 Years ❮ ❯