Best on Test
HQProp Duct-T63MMX3 3-Blade Propeller - Light Grey (Set of 4)
2.5" Cine Whoop props need to pack a lot of thrust into a small space. This bullnose design from HQ will give the right amount of performance for lifting a naked Go Pro and larger battery for longer flight times. Can be used with or without ducts.
HQProp T3.5X2.5X3 Propeller (Set of 4)
HQ make fantastic props that often come out top in my testing across many different sizes. This is a great choice for 3.5" freestyle with minimal propwash and good efficiency.