Mallofusa Universal Landing Gear Skid for DJI F450 F550 Sk480 Multirotor Quadcopter Black Color: black.Height:150mm.Weight:18g/pcs Material: durable hard plastic. Universal Tall Leading Gears Skids. Easy to install on DJI F450 F550 SK480 FPV aerial quadcopter or similar frame. Pakcage: 4 x landing gears; 8 x Screws for convenient assembling.