Division 7 inch 320mm Wheelbase 4mm Arm Frame Kit with 3D printed for Gopro Mount for RC DroneSpecification:Brand name:DivisionFrom Engine to Engine: 320mmFrame Format: True XMain Board Thickness: 4mmArm Thickness: 4mmMounting center stack: 30.5mmMax FC Height of Building: 28mmFPV Camera Mount: 28.5mm (Swift v2, Arrow v3, etc)Weight: 230gRecommend parts( Not included):Flight Controller: 30.5x30.5mm Flight Controller MAMBA F405 40A ESC / MAMBA F722 50A ESCBrushless ESC: 30.5x30.5mm 4 in1 ESCBrushless Motor: 22XX Series MotorPropeller: 7 InchCamera Mounting Width: 28mmPackage includes:1 x Frame Kit1 x 3D printing for gopro seat