This iFlight Nazgul XL5 Frame Kit is perfect for drone hobbyists looking to create their own custom drones. It's durable and ready for you to add your favorite electronics. The frame supports 5' and 5.1' propellers and is compatible with DJI O3 HD systems. It has 5mm arms, True-X geometry, and an easy-swap design for reliability and agility. Frame Dimensions: L173 × W173 × H34 mm. Weight: 233g (excluding TPU parts).