The KNIPEX Insert Box-End Wrench (Open) is a versatile tool designed for effective fastening and loosening of various fasteners. Made from high-quality chrome vanadium steel, this wrench offers exceptional strength and durability. Its open design allows for easy access to fasteners in tight spaces, making it ideal for automotive and mechanical applications. The wrench meets ANSI standards, ensuring reliability and safety during use. Lightweight and compact, it is easy to carry and store, making it an essential tool for both professionals and DIY enthusiasts.