Elevate the performance and aesthetics of your RC boat with our 4-Blade Metal Propellers. Designed for a wide range of marine applications, including heavy boats, tug boats, fishing bait boats, wood boats, and more, these propellers are a reliable upgrade for enthusiasts seeking durability and efficiency. Premium Material: Crafted from high-quality zinc alloy and finished with a gold plating, these propellers offer strength and a refined appearance. Versatile Compatibility: Suitable for use with RC boats, marine cruisers, ROVs, and other vessels, these propellers are engineered to enhance overall performance. Precision Engineering: Manufactured through casting, these propellers provide a robust and long-lasting solution for various boating applications. Compatible with standard propeller drive dogs (not included). Size Options & Rotation: Available in two sizes—55mm and 60mm diameter—with a hub height of 17mm. Offered in both right-hand (RH) and left-hand (LH) rotation to meet specific operational requirements. Shaft Compatibility: Features a shaft hole diameter of 4.15mm, designed to securely fit a 4mm drive shaft for efficient power transmission. Right-Hand (RH) Propeller: Rotates clockwise when viewed from the stern in forward gear, providing standard propulsion. Left-Hand (LH) Propeller: Rotates counterclockwise when viewed from the stern in forward gear, ideal for dual-propeller configurations or specialized navigation setups. Package Includes: 1 x 4-Blade Metal Propeller for 4mm Shaft (select size and rotation type at purchase). Upgrade your RC boat with durable zinc alloy 4-blade metal propellers built for performance, reliability, and a sleek finish. Whether replacing or enhancing your current setup, these propellers improve both operational efficiency and visual appeal.