Specifications:

Propeller Diameter: 10 Inches
Pitch: 4.5 Inches
Blades: 3
Material: Glass Fiber Reinforced Nylon
Weight: 23.8g
Hub Diameter: 18.5mm
Hub Thickness: 9.5mm
Shaft: 5mm
Package Contents:

2x HQProp MacroQuad 10x4.5x3 Propeller (CW)
2x HQProp MacroQuad 10x4.5x3 Propeller (CCW)