Versatile Use: This flat washer serves as a dependable spacer, providing insulation and preventing damage to surfaces, making it suitable for various applications in automotive, construction, and DIY projects. Effective Insulation: Designed as an insulation gasket ring, this washer effectively minimizes vibration and noise while protecting against moisture, enhancing the longevity of your screws and bolts. Easy Installation: The Black Plastic Rubber Flat Washer is user-friendly, allowing for quick and hassle-free installation. Simply place it under the screw or bolt for a secure fit. Perfect Fit for Screws and Bolts: Specifically designed to accommodate a range of screw and bolt sizes, this washer ensures a snug fit, enhancing the overall stability and integrity of your assemblies., Manufacturer: QAXRZCUCD