These durable 3.1" HQProp propellers have a shaft hole of 1.5mm and an M2 mounting hole pattern. These 4-blade propellers offer impressive acceleration and lift for 3-inch quads. Make sure your motor uses the T-style mounting pattern, not 5mm!
Matches perfectly with the Rotor Riot Hypetrain Brat 1407 4140Kv motor!
Specifications- Length:3.1"
- Pitch: 3"
- Blade: 4
- Product Material: Polycarbonate
- Color: Yellow, Light Green, Black, Light Blue
- Inner Diameter: 1.5mm Shaft, M2 Screw
- Weight: 2g
- 2x T3.1x3x4 Propellers (CW)
- 2x T3.1x3x4 Propellers (CCW)