Fan Guard For Fan Diameter 54 in For Fan Type Tubeaxial Mounting Hole Diameter 3/4 in Material Steel Body Diameter 57 3/4 in Bolt Circle Diameter 54 5/8 in Finish Polyester Coated For Use With 5JKE4 Includes Mounting Hardware Metal Material Thickness 5/8 in Overall Length 1/4 in Product Type Fan Guard