1. Comprehensive Set: This 19piece metric crowfoot impact nut wrench set includes sizes from 8mm to 32mm, compatible with 3/8' and 1/2' drive ratchets, extensions, or torque wrenches. Suitable for a variety of automotive and mechanical tasks. 2. VERSATILE DESIGN: These flare nut wrenches extend the capabilities of common wrenches, allowing you to reach difficult angles and hardtoreach areas that normal sockets or wrenches cannot access. Perfect for demanding car repairs and maintenance. 3. DURABLE CONSTRUCTION: Each wrench is made of industrial grade heat treated, drop forged chrome molybdenum steel. This rugged material ensures longlasting performance, maximum torque delivery and wear resistance. 4. IMPROVED GRIP: The tabs on the jaws provide better leverage and grip, allowing for easier and r attachment. These wrenches glide smoothly over fasteners, making your job more efficient and reducing the risk of slipping.