This 8-piece long ball-end hex key set is manufactured from hardened chrome vanadium steel for strength, durability and long service life. The precision ball-end design allows access to fasteners at an angle, making it ideal for hard-to-reach areas and professional use. Sizes included: 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm and 10mm, clearly marked for quick identification. Perfect for industrial maintenance, assembly work, automotive repairs, machinery adjustments and general workshop tasks, this versatile set covers the most commonly used metric sizes. The long arm design provides improved leverage and torque, while the high-quality finish offers good resistance to wear and corrosion. A practical, reliable choice for engineers, technicians, tradespeople and DIY users who need accurate, secure tightening and loosening of hex fasteners.