The M3 Brass Spacer Kit is a comprehensive hardware set designed for PCB mounting, electronic enclosures, and mechanical assemblies. It includes a variety of female-female and male-female spacers with matching screws and nuts for flexible installation. Made from durable brass, the spacers provide reliable structural support and corrosion resistance. The kit ensures stable spacing and alignment in electronic and mechanical projects. Ideal for prototyping, robotics, and embedded system assemblies.