1It is compatible used for all kind of bolts & nuts, The wrench size can be extended from 9 -42mm or 9 - 45mm. 2Due to ergonomically design,it is convenient to work in narrow spaces 3The red part of wrench consists of rubber material, so it prevents wrench falling down wrench 4This wrench is multi purpose and can be used for industrial, auto repair, household maintenance, etc 5Steel plate overlapping design, make the force point to be linear, not easy to slip, hardness, torque, good toughness, strong and durable Features: It is compatible for all kind of bolts & nuts, the wrench size can be extended from 9 -42mm or 9 - 45mm. Due to ergonomically design, it is convenient to work in narrow spaces. The red part of wrench consists of rubber material, so it prevents wrench falling down. This wrench is multi purpose and can be used for industrial, auto repair, household maintenance, etc. Steel plate overlapping design, make the force point to be linear, not easy to slip, hardness, torque, good toughness, strong and durable. Specifications: Color: red handle Available Sizes(Optional): 9mm-42mm, 9mm-45mm System: metric system Surface treatment: polishing chrome Size: 290 * 53 * 12 mm/11.4 * 2.09 * 0.47inch Weight: 688g(9mm-42mm), 670g(9mm-45mm) Package Included: 1 x Multi Purpose Wrench