- Round spacers made of ABS, perfect for M3 screws and electronic projects - Includes 300 units with 3.2 mm inner diameter, 7 mm outer diameter, and 8 mm height - Durable material: ABS does not rust, is less brittle than metal, and allows for reuse - Maintain constant height on PCB boards, preventing bending and short circuits - Provide excellent electrical insulation, ideal for plugs, computers, and 3D printers - Design with central partition for greater stability and safety during assembly - Recommended for DIY, hardware, and industrial applications that require precise separation - Easy to use and store, optimize the assembly of electronic components