What material options are available in Gray Wind Chimes?

<a href = "https://www.homedepot.com/b/Outdoors-Garden-Center-Outdoor-Decor-Wind-Catchers-Wind-Chimes/Gray/Aluminum/N-5yc1vZcl2aZ1z0usgqZ1z0vjuj" class="u__default-link"> Aluminum</a>, <a href = "https://www.homedepot.com/b/Outdoors-Garden-Center-Outdoor-Decor-Wind-Catchers-Wind-Chimes/Gray/Wood/N-5yc1vZcl2aZ1z0vir2Z1z0vjuj" class="u__default-link"> Wood</a> and <a href = "https://www.homedepot.com/b/Outdoors-Garden-Center-Outdoor-Decor-Wind-Catchers-Wind-Chimes/Gray/Steel/N-5yc1vZcl2aZ1z0v4peZ1z0vjuj" class="u__default-link"> Steel</a> are materials options available in Gray Wind Chimes.