Description: 【Durability】: Constructed from carbon fiber, this quadcopter frame features reinforced plates for exceptional strength and long term performance 【Compatibility】: Supports propellers and is compatible with popular motors such as 4218, 4312, and A4320 for versatile build options 【Accurate Mount】: Offers multiple mounting hole spacings for plane control (20x20mm/30.5x30.5mm), (20x20mm/30.5x30.5mm), camera (19mm), and motor (21x21mm) to ensure accurate installation 【Stability】: The sturdy design includes wheelbase and reinforced surrounding plates with thicknesses up to 3.0mm, providing stable plane performance even in demanding conditions 【Customization】: Motor screw holes feature an accurate 4MM diameter; please confirm your motor compatibility for seamless assembly and optimal results Specification: Material: Carbon Fiber Color: Black   Size Chart:Wheelbase: 57cm/22.44inch; Upper plate thickness: 2.0mm; Base plate thickness: 3.0mm; Lower fixing plate thickness: 3.0mm; Camera side plate thickness: 2.5mm; Front lip plate thickness: 2.5mm; Rear lip plate thickness: 2.5mm; Surrounding steel reinforcement thickness: 3.0mm; Arm thickness: 8.0mm Package Includes: 1  Carbon Fiber Quadcopter Frame Note: Please allow slightly errors due to manual measurement and different monitors.