Features: There are 6 sizes: 7/8/10/12/13/14mm, choosing based on your needs. It is very simple to use, just put it on the nut and turn it. 90 bend angle design can be suitable for working in a relatively small space. Made of high carbon steel, high hardness, good toughness, wear resistance & durability. Suitable for electrician repairs, home repairs, plumbing repairs, car repairs, mechanical repairs, industrial repairs, DIY handmade, etc. Specifications: Material: High Carbon Steel Type: 7/8/10/12/13/14mm(optional) Package Includes: 1x Hex Socket Wrench note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.