jrelecs Snap Onoff Prop Guards 2x Red 2x White for Phantom 3 Professional Advanced Tool Free Quick Release Quick Disconnect Propeller Protector When hit wall, tree or whatever, as long as the propellers rotate, your phantom will always keep balanced. It will stay in air instead of dropping down With these prop protectors, your phantom will never drop like stone again, thus your phantom will last longer. To avoid bad landing such as scratching a car, cutting a child, dropping like a stone. Easy to install, durable and lightweight, a must for beginners and junior users. The new batch comes with screws for Phantom 3 Professional and Advanced.