Gain more power, control, and speed with Gemfan's Hurricane 4024 Durable micro Props! Props come in a set of 8 with a 2-blade style and a 1.5mm center hub. Great props for small multi-rotors using motors with either a 1.5 or M2 screw pattern.Choose a color! (Clear Blue, Clear Gray, Clear Red, Flou Green)SpecificationsPropeller Diameter: 4"Pitch: 2.4"Blades: 2Material: PolycarbonateWeight: 3.16/ pairShaft :1.5mmColor: Clear Blue, Clear Gray, Clear Red, Flou GreenIncludes4 x CW Gemfan Hurricane 4024 Durable 2-Blade Propeller4 x CCW Gemfan Hurricane 4024 Durable 2-Blade Propeller