Beautifully made 3-blade propellers by GemFan, compatible with 1.5mm motor shaft or M2 screws two-hole mounting.

Specification
– Type : Micro Class Multi-Rotor
– Length : 2″
– Pitch : 4″
– Weight : 0.8 g
– Mounting hole : 1.5mm Motor Shaft or T-type mount, Two Holes (eye to eye 5mm)
– Hub : 5mm
– Included : 4pcs CW and 4pcs CCW in a bag