Gemfan Vortex 7×7 are two-blade propellers designed primarily for RC aircraft, with the option of using them on multirotors. The propellers have a diameter of 7" and a larger pitch of 7". The center hole for the shaft has a 6.35 mm diameter. Reduction rings are available to mount on shafts with a diameter of 5 mm or 6 mm. For high stiffness and durability, the propellers are made of nylon.
The propellers are supplied in packages of 2 pcs according to the variant.