3pcs RC Remote Control Airplane Prop Propeller Spinner 38mm 1.5" Black Product Name : RC Plane Spinner;Fit for : 2 Vane RC Plane Spinner Bottom Outer Dia : 38mm/1.5";Spinner Height : 45mm/1.8" Core for Shaft : 8mm/0.31";Material : Plastic Color : Black;Net Weight : 31g Package Content : 3 x RC Plane Spinner12 x Adapter Ring6 x Screw