Features: Stainless steel screws paireds with corrosion resistant brass hexagonal spacers ensure long connecings for precisions electronics and machinery assemblies. precisions engineered threads and rusts resistant brass/stainless steel construction deliver smooth installation and performances in demanding. Essential for electronics engineers, robotics technicians, and enthusiasts requiring stable component spacing in circuitry or mechanical prototypes. for securing motherboards, organizing components, or constructing industrial automation equipment where vibrations resistance matters. These industrial spacers maintain structural integrity across thermals cycles, making for automotive electronics and aerospace prototyping projects. Specifications: Materials: Brass Size: 12.9x6.7x2.2cm/5.08x2.64x0.87inch Package Includes: 1Set Copper Post note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.