The Titan 12714 9-Piece Metric Extra Long Ball End Hex Key Set is a comprehensive set of hex keys designed for various applications. The set includes 9 metric sizes, providing a range of options for different fasteners. The extra-long design allows for extended reach, making it ideal for accessing hard-to-reach areas. Each hex key features a ball-end design, allowing for angled access to fasteners. The keys are made of high-quality materials to ensure durability and reliability.