These precision CNC-machined aluminum spacers provide the perfect solution for RC model assembly and DIY projects. Available in multiple standard metric sizes from M3 to M8, these non-threaded stand-off spacers offer versatile spacing and mounting options. The high-quality aluminum alloy construction delivers excellent strength while maintaining minimal weight, making them ideal for RC applications where every gram matters. The smooth, flat washer design allows for free rotation and seamless integration with your builds. Each spacer features precise machining for consistent dimensions and a perfect fit every time. The set includes multiple pieces (5-20 count depending on selection) to accommodate various project needs. These versatile spacers work great for mounting circuit boards, creating chassis assemblies, or anywhere precise spacing is required. Their durable construction ensures long-lasting performance while the clean, professional finish adds a polished look to your projects.