The Koken hex socket wrench insert is a high-quality tool designed for professional applications. With a connection size of 3/4" and a wrench size of 42 mm, this long insert is ideal for loosening and tightening screws and nuts in various mechanical applications. Made from robust chrome-molybdenum steel and chrome-plated, it offers high resistance to wear and corrosion. Compliance with the DIN 3124/ISO 2725-1 standard ensures a precise fit and reliability. With a length of 90 mm, the insert provides improved leverage and accessibility in tight spaces. This hex socket wrench insert is an essential tool for any professional workshop or for demanding DIY enthusiasts.

• Made from chrome-molybdenum steel for high strength and durability
• Long design for improved leverage and accessibility
• Compliance with DIN 3124/ISO 2725-1 standard for precise fit
• Chrome-plated surface protects against corrosion and wear.