New 2 Pairs 1038 Carbon Fiber Propeller for DJI Flamewheel F550 F450 Balanced Jello Fix Phantom Product Name: DJI Flamewheel F550 F450 Replacement Propeller Color: Black ;NOTICE : The Carbon Props is not the Self-tightening Size:1038, Propeller fit Flamewheel F450 F550 CW CCW Package Includes: 2 x CW Propeller 2 x CCW Propeller. 7-15Working Days Delivery to USA by e-packet