직경
2 3/8, 2 7/8, 3, 3.5 inches
The pipe diameter
2 3/8, 3, 3.8,inches
The pipe thickness
2/13, 5/32, 3/16, 1/4, 7/22 inches
Blade thickness
3/8 inches
Blade diameter
8,10, 12 inches
Manufacturing standard
ICC-ES AC358 standards
Hot dip galvanized quality
A123 and A153 standards