Graupner 3d/4d Sport Props are extremely stiff and well balanced props, great for those whom want to run reversible ESC for 4d flight. Please note these props have a 8mm hub bore which adapters can be found in our crack series motor hardware bags.
Weight = 10.8g
Size = 8x4.5
Hub Diameter = 8mm [must use adapter ring (not included) when used with our motors] Link for hardware