BW&reg; 4Pcs DIY Quadcopter Multicopter Replacement Frame Arm for DJI Flamewheel F330 Frame Arm (black) Replacement frame arms for DJI Flamewheel F330( 4 Pack) Made of strong materials, provides better resistance to damage on hard landings. Frame arm size: 15 x 2 x 3cm Weight: 26g / pcs; Color: Red; Black; White