High quality: Forged from high-quality steel and subjected to high-frequency quenching treatment, it is extremely sturdy, with high hardness. The surface is phosphated with carbon black, making it corrosion-resistant and rust-proof. It can ensure long-term use and stable performance during operation. Size specifications: Our products offer 10 common socket sizes: 10mm, 12mm, 13mm, 14mm,15mm,16mm, 17mm, 19mm, 22mm, and 24mm. It also comes with an additional impact socket adapter to meet your work requirements Hexagonal Sleeve Design: The impact sleeve adopts a hexagonal shape and bolt lock hole design. When the impact sleeve comes into contact with the fastener, it can provide a larger contact area, is easier to lock, and reduces tool wear, making it practical and safe Storage box included: Our impact sleeve sets are equipped with corresponding storage boxes. All sleeves can be fixed on the fixture, which is convenient for carrying and storage, and is very suitable for outdoor work and in various environments Wide application: With a 1/2-inch square drive interface, it is compatible with various tools and can be used for tools like impact drills, air ratches, ratchet wrenches and electric hand drills, etc. It is applicable to fields such as automotive repair, mechanical and electrical repair, home DIY, industry, and agriculture., Manufacturer: Crozgan