Specification:
Blades:4
Material:PC
Pitch:2 inch
Center Thickness:5mm
Prop Disk Diameter:31mm
Center Hole Inner diameter:0.8mm
Max Prop Width:5.71mm
Weight:0.31g
Adaptive Motor:0703-1103
Recommended Motor:Coreless Motor/0703
Colors: Clear Red,  Clear Purple

Package Includes:
4 x 31MM 1220-4(0.8mm hole) CW
4 x 31MM 1220-4(0.8mm hole) CCW