The Ampco Safety Tools P-39 is a 10 inch groove joint pliers with soft grips engineered for hazardous work environments. Manufactured in the USA from Factory Mutual approved aluminum bronze alloy, it is beryllium-free and provides reliable performance in flammable, magnetic-sensitive, and corrosive environments. Conforming to ASTM F2503 and ASTM A342 standards, it is the choice of professionals in oil and gas, petrochemical, mining, military, and industrial maintenance applications. Lifetime warranty. Overall length: 10 in. Max opening: 1-1/2 in.