Features 1、Made of CRV chrome vanadium steel with a hardness of HRC56, which possess large torsion, good toughness and wear resistance 2、Wrench surface is sprayed with colored plastic, waterproof and rust‑proof, accurate and beautiful, complete specifications are efficient and practical 3、Flat head wrench is suitable for screwing deep hole screws, with large force area and large torsion. convenient, fast and effortless 4、Wrench 90 degree right angle one time forming bending process, bending in place and not easy to rebound 5、The product is widely used in the assembly and repair of mechanical equipment such as automobiles, electric vehicles, and electrical appliances Specification Product Name: Hex Socket Wrench Set Material: Chrome vanadium steel Color: Blend colors Surface Treatment: Spraying plastics System: The Metric System Specification(diameter): Approx. 10mm / 0.39in Approx. 8mm / 0.31in Approx. 6mm / 0.24in Approx. 5mm / 0.2in Approx. 4mm / 0.16in Approx. 3mm / 0.12in Approx. 2.5mm / 0.1in Approx. 2mm / 0.08in Approx. 1.5mm / 0.06in Package List 1 Set of Hex Socket Wrench(9pcs)