The HAZET 900Z-21 socket insert is a high-quality tool designed for professional use. With a 12.5 mm (1/2 inch) square drive and a key size of 21 mm, this double hex insert is ideal for various applications in mechanics and vehicle construction. Made from robust chrome-vanadium steel, the insert offers high strength and durability, while the chrome-plated and polished surface provides additional protection against corrosion and wear. The knurled surface ensures a secure grip, making handling easier. The insert meets the DIN 3124 and ISO 2725-1 standards, underscoring its quality and compatibility with other tools. The ball retention groove allows for a secure connection with the tool, enhancing efficiency during work. This socket insert is an essential tool for any well-equipped workshop.

• Made from chrome-vanadium steel for high strength and durability
• Chrome-plated and polished surface for additional corrosion protection
• Meets DIN 3124 and ISO 2725-1 standards
• Knurled surface for better grip
• Ball retention groove for secure connection with the tool.