Propellers Props Guard Protectors Bumper for DJI Phantom No More Scratch 4pcs This small protector saved a few scars on the arm, also saved the brushless motors. With these prop protectors, your phantom will never drop like stone again; Thus your phantom will last very long time. When you touch wall, tree or what ever, as long as the propellers rotate, your phantom will always keep balanced so it will stay in air instead of drop. A must for junior and senior users. Propellers Props Blades Protectors Products included: 4x prefected sized protection frame 8x M3*12 screws