RC Catamaran Propeller 46mm 4.76mm 3/16" Right-Left Propeller for RC Boat Description These wide "V" propellers are made of 7075 aluminum alloy and have an anodized gold finish, making them suitable for RC racing boats, speedboats, hydroplanes, catamarans, and shrimp boats. CNC-machined, they are high in hardness, high in strength, and well-balanced. Many sizes are available. Please select the correct size for your boat when purchasing. Notes: Right-hand (RH): Rotates clockwise when viewed from the stern and in forward gear. Left-hand (LH): Rotates counterclockwise when viewed from the stern and in forward gear. Please note: This propeller is not suitable for monohull boats. Specifications & Features 1. Material: Aluminum alloy (7075) 2. CNC-machined, anodized gold finish 3. Pitch ratio: 1.6 4. Hub hole diameter: 4.76mm (3/16") 5. Diameter: 46mm (optional) 6. Type: Left-hand/right-hand rotation optional Scope of delivery 1 piece aluminum propeller for RC catamaran (46mm) If you need other sizes, please contact customer service.