Adams VCWV30G Concert Vibraphone, Bars: Aluminium Alloy- nickel gold finish, Graduating from 58- 38 mm, Pitch: A = 442 Hz, Range: F3-F6, Motor: 12V. Variable speed, 40-140 rpm. Voyager Frame: Adjustable in height 83-103 cm, removable and height adjustable rails, adjustable damping mechanism