These 5.1″ propellers from HQProp are made of solid poly carbonate and are offered in a variety of colors, including the Betaflight yellow/black!

Package Includes:

2 x CW R31-PC
2 x CCWR31-PC

Specifications:

Propeller Diameter: 5.1inch
Pitch: 3.1
Blades : 3
Material: Poly Carbonate
Weight:4.2g
Hub Diameter:13.3mm
Hub Thickness:6.3mm
Shaft:5mm
Adaptor Rings: NO