Features: From high-strength plastic with 80% higher hardness, effectively preventing the body from being damaged in process of collision or dropping. Installation can be completed in 30second without additional tools, which greatly improves the user's efficiency. Specially for 3 series, and perfectly for 3, 3 classical, 3 Cine and 3pro , realizing seamlessly connection and avoiding problems caused by incompatibility. The modern streamlined design makes the body more beautiful and good aerodynamic performances, which reduces wind resistance and improves endurances when flying. The center frame of the body with excellent heat dissipation design, which can effectively reduce the working temperature of electronic components and prolongs the service life of the battery. Specifications: Product name: Upper Shell Center Frame for 3, for 3 classical, for 3 Cine and for 3pro Product material: ABS Product size:about 17x8x2cm/6.69x3.15x0.79in Package Includes: 1PC Upper Shell Center Frame note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution