XOAR PJWWI Axial 23x10 RC Warbird Airplane Propeller. 23 Inch 2 Blade WWI German Axial Replica Giant Scale Wood Prop for Gas Engines PREMIUM MATERIAL: 5 layers of Top Grade Black Walnut and German Beechwood. Making the Best Looking and Functional Giant Scale German Axial Wooden Model Airplane Propellers CNC DIGITAL IMAGING: CNC digital imaging process ensures consistent quality in diameter, propeller blade profile and pitch which are all crucial for RC aircraft performance. PRE-BALANCED* : Each Xoar prop is manually finished to reach perfect surface smoothness. It is balanced both horizontally and vertically for minimal vibration caused by airplane propeller. SPEC: Style: Replica Axial Insignia Style | Color: Black Walnut and Light Beechwood | Diameter: 23 in | Pitch: 10 | Weight: -g | Shaft Diameter: 10mm | Type: Tractor Propeller COMPATIBLE ENGINES: Giant Scale RC Planes with 50cc to 55cc Gasoline Engines - DA-50-R, DLE-55, DLE-55RA, 3W-50i, ZDZ 56RV-J, DL-50, XYZ 50