2 Pack of 11x5.5E Thin Electric Propellers - Black from APC - LPB11055E
APC propellers are high quality, competition proven propellers without the high-quality price tag. Perfect for various prop-driven RC aircraft.

Features:

Convenient propeller two-pack is ideal for multi-engine airplane setups

Includes:

Two black composite propellers
Ten composite adapter rings that adapt to different motor shafts

Instruction sheet

Optional:

All propellers should be balanced before use. We recommend using the BenchCraft Precision Propeller Balancer