Wera Tools 05345256001 is a hex key set that includes nine pieces of hex keys with a ball end. These hex keys have a metric measurement and are made from high-quality chrome vanadium steel.

The ball-end design of the hex keys allows for better accessibility and ease of use, especially in hard-to-reach areas. The keys have a BlackLaser surface treatment which provides a high level of corrosion protection and increased resistance to wear.

The set comes with a compact, easy-to-store plastic holder that keeps the keys organized and easily accessible. The holder also has a clear labeling system that allows for quick identification of the right hex key size.

Overall, the Wera Tools 05345256001 hex key set is a high-quality and durable tool set that is ideal for a wide range of applications in automotive, industrial, and household settings.