Upgrade your toolbox with this versatile 2-piece Universal Multifunctional Wrench Set, designed to handle a wide range of nut and bolt sizes from 3mm to 22mm. Featuring a unique double-head self-tightening design, these wrenches automatically adjust to fit various fasteners, making them ideal for home repairs, automotive maintenance, plumbing work, bicycle repairs, and DIY projects.Crafted from durable, high-strength metal with a corrosion-resistant finish, each wrench provides a secure grip and excellent torque for efficient operation. The compact and lightweight design allows easy storage and portability, while the multi-size compatibility eliminates the need for carrying multiple traditional spanners.Key Features: 4-piece universal wrench set for multiple applications Self-tightening jaws adapt to different nut and bolt sizes Covers sizes from 3mm to 22mm Double-head design offers greater versatility Strong, durable, and rust-resistant construction Provides a firm grip to reduce slipping Suitable for automotive, plumbing, mechanical, and household repairs Lightweight and easy to carry in toolboxes or work bags No need for multiple spanners—one set handles various sizes Package Includes: 4 × Universal Multifunctional Double-Head Wrenches Ideal For: Home maintenance Car and bike repairs Plumbing installations Mechanical work DIY and professional use  A practical all-in-one wrench set that saves time, space, and effort while delivering reliable performance for everyday repair tasks.