Size: 10 x 4.5''
- Diameter of Shaft: 6.0mm
- Adjustable by hole adapter (3mm, 3.2mm, 4mm, 5mm, 6mm, 6.35mm, 7.95mm)
- Thickness of center: 9.7mm
 
package includes
1x pair propeller ( 1 clockwise and  1 counterclockwise)