Description This set includes 10 hex keys with both ball end and conventional ends. The ball end on the long arm allows for use at angles up to 30 degrees from the screw recess, providing greater flexibility during use. Made from hardened and tempered chrome vanadium steel, these tools are durable and reliable. They come organized in a plastic storage holder for easy access and organization. Technical Specifications Number of pieces: 10 Sizes: 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 5.5mm, 6.0mm, 7.0mm, 8.0mm, 10.0mm Material: Chrome vanadium steel, hardened and tempered Compatibility and Accessories Compatible with standard hex screw heads Includes a plastic storage holder for organization Installation No installation required; simply select the appropriate size and use as needed Usage Ideal for assembling, repairing, and maintenance tasks involving hex screws The ball end allows for working at angles up to 30 degrees from the screw axis, making it easier to access hard-to-reach screws