The Wera 7770 insertable open-end wrench is a high-quality tool specifically designed for use with hexagonal screw heads and nuts. With a size of 9x12 mm, this wrench is ideal for use in combination with Click-Torque X series torque wrenches. Made from robust chromium-vanadium steel, it offers high durability and resilience required for professional applications. The wrench is a single piece and is characterized by its precise workmanship, ensuring optimal power transmission. Weighing only 55 grams and featuring compact dimensions, the Wera 7770 is easy to handle and transport, making it an indispensable tool for any workshop.

• Made from high-quality chromium-vanadium steel for increased durability
• Compatible with hexagonal screw heads and nuts
• Optimal power transmission through precise workmanship
• Lightweight and compact for easy handling and transport.