SpecificationsDiameter/Pitch31.2*10.2Inch(792.5mm*259.1mm)WorkingTemp-40ºC~65ºCWeigh(Singlepropeller)166gStorageTemp-10ºC~50ºCMaterialCF+EpoxyStorageHumidity<85%SurfaceTreatmentGlossyOptimumRPM2000-3500RPM/minPropellertypeFoldableThrustLimitation34kgWarning(1)Pleasemakesurethatscrewsofcoverplatesandpropellersaremountedproperly(2)Doublecheckthatpropellersareflawless,otherwise,pleasereplacethembeforeflight(3)Fall-offorequivalentimpacttopropellerswillleadtodefromationorcracks,inthiscase,youwillneedreplacethem(4)NEVERaddforceontothepropellersordecomposethepropellers,Anydecompositionwillresultinsafetyissues(5)Forsafety,pleasestayawayfromthespinningpropellers,Specialattentionshouldbepaidtowhenusingpropellers(6)Pleasekeepthepropellersawayfromhostileenvironmentscontainingcorrosivegases,andmaintainstrictcompliaccewithstoragetemperatureandhumidityrequirements,especiallywhenitcomestolong-timestorage