New "E441" series propeller for Proboat Blackjack 24.
"E" series of high efficiency, will save your batteries less heat and less current to your controller.
The propeller will increase the speed of the boat in comparison with the stock propeller.
This series of propeller has 2 world records.
The propeller is balanced and ready to race RTR.
Props for CNC made of stainless steel - 50% cobalt.
Finishing - polishing plasma on CNC.
Dynamic balancing.
Sharp edges.

Diameter: 1.6" (41mm)
Shaft Size: Dog drive 3/16" (4.76mm)
2 - blades

Doctorprops