Features: Ensures a secure and stable connection between your motherboard and PC case with our high strength mainboard screws featuring integrated bracket design, preventing loosening and potential damage. From corrosion resistant ABS and metal, these screws for durability and for various motherboards models. For DIY computer enthusiasts, professional builders, and users to replace or upgrades their hardware components. Perfectly for assembling new computers, replacing old screws, or upgrading existing systems to ensure consistent and reliable device performances. Enhances PC building experience with the essential mainboard adapter USB3.0 expanded Type C test cable with bracket data cable. Specifications: Type：USB A Male to USb C Female with Panel mounting Mainboard Adapter Package Size:about 12x10x3cm/4.72x3.94x1.18in Component:ABS Package Includes: 1PC USB Adapter note: Due to problem of lighting effect, there might be tolerances in product, please understand. Please allow 1cm errors due to measurement.