Optimal 8 mm Wrench for DIY Enthusiasts and Professionals: The 8 mm wrench is made of high-quality chrome vanadium and is ideal for tasks in the workshop, at home, during hobbies, in the garden, and in professional settings. The extra-long design allows for maximum torque transfer, making work easier. The practical 8 mm ring-open end wrench with the same wrench size is perfect for tightening and loosening recessed screws. The hardness and torque exceed the requirements of the respective DIN standards. Technical specifications for the 8 mm ring wrench from SW-Stahl: Material: chrome vanadium steel, wrench size: 8 mm, shape: extra long, product quality: premium, surface: matte chrome, length: 145 mm, weight: 0.028 kg.