1. socket wrench made of alloy steel, not easy to rust, non-toxic material, durable. The overall size is stable and reliable, comfortable to the touch. 2.52-in-1 Multi-Purpose Wrench One sleeve can turn 8 kinds of screws. The wrench is thick, durable and professional, ideal for auto repair, electrical maintenance, home emergency repair and furniture assembly, etc. 3.Multifunctional Wrench 360-degree quick rotation heads, just click between different sizes or flip the wrench to instantly get the tool you need for the job. 4.Universal Wrench Unique gear design with the same specifications 4 angles 5 angles 6 angles 8 angles 12 angles Equipped with non-slip handles, you can have an optimal and comfortable working experience. Socket features: 1. A socket wrench uses 45 steel steel with high hardness and good rigidity. Professional manufacturing, reliable quality, environmental protection. The overall size is stable and reliable and feels comfortable. 2. Universal Sockets Versatile 360 rotating socket heads that can be quickly rotated to any angle for ease of use. It makes any repair quick and easy. 3. Adjustable wrench, multi-function tool nuts, suitable for different sizes, suitable for cars, homes, outdoor and hard-to-reach areas. Socket Specifications: Material 45 steel Socket colors: red and black Appropriate size of the socket wrench: SAE: 5/16, 3/8 from "7/16", 1/2"," 9/16, 5/8 from "11/16", 3/4" Metric System: 8mm, 10mm, 11mm, 13mm, 14mm, 16mm, 17mm, 19mm Universal socket size: 25 x 5 x 4 cm / 9.84 x 1.97 x 1.57 inch The socket includes: 1 universal socket wrench Socket Note: 1. Due to the different display and light effects, the actual color of the product may be slightly different from the color shown on the picture. I hope for your understanding 2. Due to manual measurement, please allow 1-2cm measuring deviation.