A chrome washer is a flat metal ring, usually steel, with a shiny, corrosion-resistant chrome plating, used with bolts/screws to spread load, prevent loosening, reduce friction, and add a decorative finish in various hardware applications. They come in different sizes (like 1/4", 3/8") for compatibility, offering durability and a bright look for automotive, plumbing, or general assembly needs. 

sizes available : 5/16" , 3/8" , 1/2"