Feature: 1. Manufacturing Material: Made of high quality zinc alloy material, durable, strong, non toxic, rustproof, which undoubtedly effectively prolong its service life. 2. Unique Bone Shape Design: Unique bone shape design, compact size and lightweight design, easy to carry, won't take up too much space, can be stored in your tool bar, tool bag, pocket, etc. 3. Purpose: Common wrench size for turning a certain size nut or bolts, universally fits for repairing many types of bikes. 10 hex holes in sizes from 6mm / 0.2in to 15mm / 0.6in. 4. High Performance: Minuteness technology, close nesting, accuracy hex shape, closed loop full bite. A great tool for emergency need while riding. 5. Easy to Use: Easy to use and fine workmanship. Without any difficult requirements even though you use it for the first time. Specification: Item Type: Hex Bone Wrench Weight: Approx.48g / 1.7oz Material: Zinc AlloyHex Holes Sizes: Approx.6-15mm / 0.2-0.6in . Package List: 1 x Wrench Note: Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.