The Koken hex pin insert is a high-quality bit insert specifically designed for use with hexagon socket screws. Made from robust chrome-molybdenum steel and chrome-plated, this insert offers high durability and resistance to wear. With a connection size of 1/2 inch and a key size of 4 mm, it is versatile and suitable for various applications in the workshop or professional use. The length of 50 mm allows for precise handling, while the chrome plating provides additional protection against corrosion. The hex pin insert is manufactured in Japan, ensuring quality and reliability. It is available in convenient packs of four, making it a practical solution for the need for various tools.

• Made from high-quality chrome-molybdenum steel for increased durability
• Chrome-plated surface protects against corrosion and wear
• Versatile with a connection size of 1/2 inch
• Delivered in convenient packs of four.