- Multifunctional self adjustable torx wrench that can replace multiple tools such as a double eccentric ring wrench, open-end wrench, pipe wrench, socket wrench, and more. This reduces the number of tools you need to carry and simplifies repairs. - Double end design with two ends for tightening or loosening nuts and bolts in size ranges of 25-40 mm, 25-35 mm, 4-13 mm and 8-22 mm, providing broad compatibility for common fasteners. - Material: high quality chrome vanadium steel for durability and shatter resistance. The wrench is waterproof and rust-proof, ensuring longevity in damp environments and frequent use. - Comfortable handle: ergonomic, labor-saving design with an extra-long length that increases torque, delivers a comfortable grip, and reduces hand fatigue during extended use. - Practical use scenarios: - Assembling furniture or equipment at home or in the workshop, where fasteners vary in size. - Bicycle maintenance or repair, allowing quick adjustments across multiple bolt sizes. - General home, automotive, or plumbing tasks in damp or humid environments, where a reliable, corrosion-resistant tool is needed.