Copper Propeller – Durable, Precise, and Ready for Performance Key Features: Quality Copper Build Made from grade copper for exceptional strength and corrosion resistance, ensuring reliable operation even during prolonged underwater use. Optimized 7Blade Design Features a finely engineered 7blade configuration with an outer diameter of 55mm, hub diameter of 11.5mm, height of 27mm, and a 4mm shaft hole. This design delivers hydrodynamic efficiency for smooth and consistent propulsion. Complete Installation Kit Includes one copper propeller, M3 flatend fastening screws, and an M1.5 wrench. All essential accessories are provided for quick, precise installation and easy maintenance. Easy and Secure Setup The straightforward mounting design, supported by the included wrench, allows for fast installation without the need for specialized tools, reducing setup time and effort. Applications: 1. Ideal for use in RC boats, offering reliable speed and agility in various water conditions. 2. Suitable for underwater drones or ROVs, providing stable movement for inspection, exploration, or photography tasks. 3. for custom DIY aquatic projects where precision, durability, and performance are a priority. Why Choose This Propeller: This copper propeller combines robust construction with precision engineering to deliver dependable performance under demanding conditions. Its carefully balanced 7blade design helps maximize thrust and efficiency while remaining easy to install and maintain. Whether for hobby use, commercial applications, or custom projects, this propeller provides a trustworthy solution for quality underwater propulsion.