Mount your SkyStream 3.7 wind turbine — Item# 339933 — on this freestanding 45-ft. tower. U.S.A. Application: Monopole, Blade Material: Freestanding tapered tublar steel galvanized finish, Material: Tubular steel with galvanized finish, Dimensions L x W x H (in.): 45 ft. 45-ft. tower is based on a lightpole design Constructed of tubular steel with a galvanized finish Includes templates and instructions for foundation installation Professional installation recommended