Package Includes: 9 Socket Wrench Kit; Different sizes of hex bits are enough to meet your daily needs. Socket Set Size: The diameter of the socket set is 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm. High Quality Material: This socket wrench kit is made of high carbon steel and is durable. Easy to Use: The socket wrench kit is easy to install and disassemble and will not fall off easily during use. Each socket wrench kit has a visible size mark, and you can quickly find the socket you need. Wide Application: The socket wrench kit can be used in home DIY scenes, auto parts, professional machine maintenance, etc. Specification: Product Name: Socket Wrench Kit Material: High Carbon Steel Size: 5mm, 6mm, 7mm, 8mm, 9mm，10mm, 11mm, 12mm, 13mm Product Features: Multiple Sizes: 9 different sizes; They can meet your different work needs. Easy to Use: Each socket set has a visible size mark; You can quickly find the socket wrench kit you need. Package Contents: 9 * Socket Wrench Kit Delivery Quantity: 9 pieces Product color: gray Product size: diameter 13 mm Note: Manual measurement, please allow an error of 1-3 cm.