The 1/2" 125# Chrome Plated Lead Free Red Brass Hex Locknut by Merit Brass is designed for secure fastening in plumbing applications. Rated for 125 PSI, this locknut is made from lead-free red brass, ensuring it meets safety standards for drinking water systems. The hex design allows for easy installation and removal, while the chrome plating provides a polished finish and corrosion resistance. Suitable for both residential and commercial plumbing, this locknut is an essential component for various fittings and connections.