The APC APC06040E 6x4E Thin Electric Propeller is a 6" diameter, 4" pitch thin electric series prop designed for electric RC aircraft. APC's thin electric profile reduces drag and improves efficiency at the higher RPMs typical of electric motors, delivering strong thrust with minimal current draw. Injection-molded from APC's proprietary composite material and precision-balanced at the factory. Made in the USA.Key Features Part Number: APC06040E Diameter: 6" Pitch: 4" Type: Thin Electric (E series) Injection-molded composite construction Precision-balanced for smooth, vibration-free operation Optimized blade profile for electric motor RPM ranges Made in the USA CompatibilityElectric RC aircraft using 6" diameter propellers — verify motor shaft size and adapter compatibility before purchasing.Benefits Thin electric profile reduces drag for improved efficiency at high RPM Precision factory balance minimizes vibration for longer motor and airframe life APC composite construction delivers consistent performance and durability Made in the USA — consistent quality control on every prop Quick TakeNeed a reliable 6x4 electric prop? The APC APC06040E delivers thin-profile efficiency, factory balance, and US-made quality for electric RC aircraft.