Complete T-handle hex key set with 9 metric sizes: 2 mm, 3 mm, 4 mm, 5 mm, 5 mm, 6 mm, 8 mm, 10 mm and T25. Construction: Made from high quality chromium-vanadium steel with a satin chrome finish. These screwdrivers resist wear and deliver reliable performance. 3-way sliding design: The innovative slider lets you switch easily between L-shaped and T-shaped configurations for improved leverage and access in tight spaces. Secure grip: Each key is specially treated to increase friction and grip on fasteners, reducing rounding of heads during use. Key benefits: Versatile, durable and compatible with common bicycle components; reliable leverage for a wide range of tasks. Use scenarios: - General bicycle maintenance at home or on the road: tighten or loosen bolts on derailleurs, brakes, shifters, and stems. - Working in tight spaces or awkward angles: switch between L and T handles to reach recessed bolts. - Torx fasteners: the T25 bit handles rotor bolts and other Torx components on bikes.