Product Description High Quality Material Our impact socket kits are constructed from top-grade chrome vanadium steel for unparalleled strength and durability. Heat-treated CR-V steel ensures superior toughness, while a smooth black powder coat protects against rust and corrosion, ensuring long-lasting performance. Easy and Portable Equipped with a sturdy toolbox for seamless portability, our product eliminates the hassle of misplaced spare parts during travels. Boasting convenient storage and carry options, it’s the perfect companion for on-the-go repairs. Precision Design Hex socket design avoids corner fillet deterioration caused by impacts and electric wrenches under high torque and hammer pressure. 【Kit Included】1/2” post 3 inches 5 inches 10 inches, 1/2” universal joint, adapter 3/8”-1/2” 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24mm. 【Material】The impact socket sets are made of high-quality chrome vanadium steel, known for its strong hardness. The heat treated CR-V steel provides better toughness, while the black powder coating on its surface offers excellent rust and corrosion prevention. 【Precision Design】Hex socket design avoids corner fillet deterioration caused by impacts and electric wrenches under high torque and hammer pressure. 【Easy To Transport】Comes with a durable tool box for easy transport, eliminating the worry of losing spare parts during travel. Easy to store and carry. 【Versatile Applications】This 1/2 inch drive impact socket set is perfect for a range of tasks, including DIY projects, auto maintenance, and repairs.