HQProp 1.9x3x3 PC Light Blue Quad Propeller - Set of 4

Great quality, lightweight and well balanced micro class propellers with big air foil, provides great thrust and fast acceleration, made of PC material.
PC material or Nylon material?
PC material is harder, less flexible and less shape change, will give you more thrust but less durability. Nylon is softer and elastic, a bit less thrust but more durability.

Specification
- Type : Multi-Rotor
- Material : PC
- Length : 1.9"
- Pitch : 3"
- Weight : 1.1g
- Center hole dia. : 1.5mm Motor Shaft or T-type mount, Two Holes (eye to eye 5mm)
- Included : Two CCW propellers and Two CW propellers in a bag

Hub thickness is 5mm, you will need M2 x 7mm screws to install them on 1103~1105 brushless motors.