The carbon crystal by woodhaven is made of american walnut with a crystal calling surface and a carbon-fiber resonator for a more authentic hen sound.Carbon-fiber resonator isnt damaged from temperature or moisture.The carbon crystal comes with three strikers- laminated flare-tip, hardwood and cutt and cackle; conditioning stone and surface-saver lid.Type: Friction CallSpecies: TurkeysMaterial: Crystal/WalnutElectronic: NoColor: BrownStyle: WalnutProofs: Weather ResistantSounds: Clucks/Cuts/Purrs/Yelps