Fan Blade, Propeller Dia. (In.) 36 in, Bore Dia. (In.) 1 in, Bore Dia. (mm) 25.4063 mm, Pitch 31 Degrees , Rotation CW, Hub Location HOI, Number of Blades 4, HP 3/4 hp, RPM 705 RPM, Drive Type Belt Drive, Blade Material Galvanized