GFH-MP-0216-ORANGE is an orange EMAX propeller that can be used on a variety of different RC aircraft. The diameter of the propeller is 5.1" (130mm), and the pitch is 2.16" (55mm). It is made from high-quality ABS plastic for stiffness, durability, and good aerodynamic performance. It is well-suited for use on 650-800 class motors, and its balance and weight make it suitable for use on powerful brushless motors. The propeller comes with two mounting holes, a countersunk hub, and a 6mm center hub adapter.