Hluru Glucophone Steel Tongue Drum 15 Notes C/D Tone Music Drum 13 /14 Inch 15 Notes Ethereal Drum Percussion Musical InstrumentDescription: 1.Carbon Steel Material Newly upgraded carbon steel, no iron sound, The sound is pure and ethereal, The tone is relatively transparent, The mid to low bass extension will be slightly longer, with a wide range and ample space to play. 2.Handcrafted by artisansAfter heat treatment to remove stress, oxide layer detachment, and production processes such as polishing, sandblasting, and painting, the stability of the material is higher.