• Double open-end wrench that offers versatility and ease of use in bicycle repair. • Ideal for 7 mm brake bleed screws and 8 mm hydraulic brake hose nuts, making hydraulic brake system maintenance easier. • Surface treated with anodic oxidation, providing a shiny finish and corrosion resistance. • Made of high-strength carbon steel, with excellent hardness and resistance to deformation. • Non-slip and comfortable design, non-toxic, odorless, and safe to prevent slipping during use.