Sturdy Material: Crafted from carbon steel with chrome plated, these crowfoot wrenches are reliable and to high temperatures, , and wear. Compatibility: This complete set includes sizes ranging from 10mm and 22mm, making it compatible with 3/8inch drive head tools. Size Identification: Each piece is clearly marked with its size for easy and efficient use, saving you effort to find what size of wrench you need for working. Compact and Versatile: Designed to fit into tight spaces and reach areas that other tools can't, these crowfoot wrenches are perfect for any task or project. Open-End Design: Allows these crowfoot wrenches to fit over nuts and bolts of various sizes and can be used to loosen or fasten them, even in deep and difficult-to-reach areas., Weight: 1.44182319348 Pounds, Manufacturer: Xnuiasqe