4 PCS 5 Inch Propeller Protection Case for 210mm 250mm FPV Racing Frame Kit 2204 2205 Motor Specification: Item name: Propeller Protection Case Sutiable for 2204 2205 16*19mm mounting hole motor Thickness: 3.35mm Weight: 8.9g/perPackage Included: 4 x Propeller Protection Case 16 x M3*10 screws