Base Dimension: 12 1/2 inches
Bolt Circle Diameter: 9 inches
Bolt Pattern: 4 Bolt
Height: 12 feet, 2 inches
Max Height: 16 feet, 6 inches
Spec for Northampton Aluminum 12" Base 16 Sharp Flute Shaft
Ordering sheet for Northampton Aluminum 12" Base 16 Sharp Flute Shaft