Very high quality but with a very low price.
Lightweight, well balanced and electric starter resistant! Machined aluminium plate, fiberglass spinner gelcoated fixed by a central M5 screw. Fit as well as 2, 3, 4 bladed props as the slots had to be cut according to the propeller used.
spinner diameter: 125 mm
weight: 118 g (accuracy +/- 2 g)
length: 115 mm