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...Kawai DS60 Kawai DS60 #1882691 Yamaha C1 Grand Piano Yamaha C1 Grand Piano Serial Number: 5980886 Finish: Ebony Polish Length: 5'3" ❮ ❯