UW 51 Flat Rubber Washers by Metro Moulded Parts offer quality and versatility for a wide range of needs. Manufactured with precision, this 5-piece set is designed with a 1/4" inner diameter, 1/2" outer diameter, and a 3/8" thickness, making them ideal for applications requiring secure, stable insulation or cushioning. These washers are made from premium-grade rubber, ensuring long-lasting performance and resistance to wear and tear. Built to withstand damage caused by UV exposure, chemicals, and ozone, they are perfect for projects in various environments, whether you re working on plumbing, machinery, or general repairs. These washers not only provide durability but are also a reliable long-term solution for your needs. Often referred to as rubber spacers, flat rubber grommets, or rubber insulation washers, these UW 51 washers can seamlessly adapt to different applications thanks to their uniform design and robust construction. Their smooth and clean-cut edges ensure a snug fit, eliminating the risk of leaks or unwanted movement. Whether you're insulating electrical components, distributing weight on bolts and screws, or dampening vibrations, these washers are a valuable tool for professionals and DIY enthusiasts alike. The washers' flat, solid black appearance gives them a polished and universally compatible look that blends effortlessly into various projects. With Metro's industry-leading 30-year platinum warranty, you can trust the durability and performance of this product. If these rubber washers fail within the warranty period, Metro guarantees free replacement under its "No Hassle" guarantee so you can work with peace of mind. Choose the UW 51 Flat Rubber Washers and experience a combination of quality, functionality, and longevity that you can depend on. Upgrade your tools today and see the difference these durable, versatile washers make in your projects!