Elevate your RC model builds and DIY projects with these precision CNC-machined aluminum alloy spacers. Available in multiple standard metric sizes from M3 to M8, these versatile non-threaded stand-off spacers provide the perfect solution for creating precise spacing and support in your assemblies. The high-quality aluminum alloy construction offers an optimal balance of strength and lightweight performance, ensuring your projects maintain structural integrity without unnecessary bulk. Each spacer features a smooth, flat washer design that distributes load evenly and protects mounting surfaces. The consistent machining ensures a perfect fit every time, making these spacers ideal for RC model construction, custom electronics mounting, and various mechanical applications. The set includes multiple pieces in different sizes, giving you the flexibility to tackle various project requirements. These durable spacers maintain their dimensional stability and provide reliable performance in both static and dynamic applications.