Quality Topeak ToolsThe Topeak Hex Combo provides 8 pro-quality, heavy-duty S2 hardened steel hex wrenches with high tensile strength for better wear resistance and extended tool life.ConvenientThe most common hex sizes are provided in one convenient folded tool with a durable, comfortable, and smooth aluminium body. Colour coded 4 / 5 / 6mm Allen wrenches make identification easy and the built-in keyring makes it convenient to hang for ease of access or tether so it doesn't go missing.