Super strong duralumin 2014 gold anodized + spray paint surface treatment Soundboard (W x D): 40 x 11.5 mm Range/Key: F33-F69 37 keys Resonance tube: Gold metallic paint, arched Lightweight aluminum, glossy black finish Dimensions (adjustable height): 130 (W) x 78 (D) x 84 (H) cm Weight: 37 kg Accessories: Mallet, Top Cover