Untested, both need a good clean, as seen in the pictures. The product is a set of two Binks Model 61 Auto Paint Sprayers, manufactured in the United States by the brand Binks. These spray guns are designed specifically for industrial painting and coating applications. While the product is described as used and untested, it is important for potential buyers to carefully evaluate the condition and performance of these sprayers before making a purchasing decision. They are ideal for businesses in the construction and renovation industries that require precise and efficient painting solutions.