The 1" universal joint is crafted from premium flex chrome vanadium steel, ensuring exceptional durability and strength. It undergoes a drop-forged process, making it entirely hardened and tempered for optimal performance. The surface finish is chrome plated according to ISO 1456:2009 standards, providing effective corrosion resistance. With a polished head and made in compliance with the ISO 3316 standard, this universal joint is designed for reliable and versatile use.