Feature:RC Propellers are widely used on RC airplane aircraft, excellent prop replacement.NOTE:Accessories only, package does NOT contain any aircraft model.Please carefully check the Rotating Diameter and Pitch of your product to make sure it is perfectly for your motor. Specification:Color: BlackMaterial: ABS PlasticVane Quantity: 2Length: 55mm / 2 inchHole Diameter: 1mmThickness: 5mm Package Contents:2 x Clockwise RC Propellers2 x Counter-Clockwise RC Propellers