T4X2.5-HQ propeller 9.8 mm 4 inches 2-blade PC propeller
Model: T4X2.5. Thickness of the propeller disc:5 mm. 1Pair HQProp CW CCW Propeller Electric Prop Carbon fiber for Long Range RC Drone. Shaft: 1.9/1.5/1.9 mm. 40MM 1.6X1.2X2 Hollow Cup Propeller Dia 2-Blades for Drone RC Model Airplane.