The 1045 Propeller Blade Set includes one Clockwise and one Counter-Clockwise Blade each of 10 inches in diameter and 4.5-inch pitch. The propeller is commonly used with A2212 BLDC motors of 1000KV, 1400KV, 1800KV or 2200KV to build quadcopters. 

The propellers are designed for smooth flights that can be used in FPV or aerial photography. 

Specifications of 10x4.5 inch Propeller Pair:

• Each pair consists of one CW and one CCW propeller blade
  
• Diameter: 10 inches / 25.4cm
• Pitch: 4.5 inches / 11.43cm