- M3 nylon spacers designed for mounting motherboards and printed circuit boards (PCBs) - Includes 100 units in black color, size 11mm + 6mm (female-male), standard M3 thread - Made of high-quality nylon, do not rust, are durable and less brittle than metal ones - Provide excellent electrical insulation and maintain constant height between components - Prevent short circuits, bending, and twisting on the motherboard - Ideal for computers, cases, circuit board assembly, and electronic applications - Easy to install, reusable, and compatible with DIY and professional projects