This 2 1/2" gauge from Western Enterprises is designed for precise pressure measurement in welding applications, with a range of 0-200 psi. Its robust construction ensures reliability and durability in demanding industrial environments, making it an essential tool for professionals in the welding sector. Please be aware that this product may expose you to lead, which is known to the State of California to cause birth defects or reproductive harm, and you can find more information at www.P65Warnings.ca.gov.