Sun Cling Amazing Grace Wood Wind Chimes Six silver color aluminum tubes;Dia. of the tubes is:11mm/0.43in Precision tuned for superior sound,Suitable for outdoor use Total length 31'' or 80cm. Top wood diameter:3.74'' or 9.5cm 6 tubes of lengths:10.23''*11''*11.8''*12.6''*13.38''*14.17''(26*28*30*32*34cm*36cm)