Features: Experience superior performances with set of 4 impact socket Bit, from alloy tool steel for enhanceds durability and strength. These socket Bit feature precisions engineering that ensures torques transfer, making them for demanding tasks. for both professional mechanics and enthusiasts, these Bit essential for anyone who frequently works with power Tool. for automotive repairs, home improvement projects, and industrial applications, these socket Bit provide versatilitys and reliability. Upgrades your toolkit with impact socket Bit, ensuring you have the right Tool for any job requiring precisions and power. Specifications: Materials: alloy tool steel Specifications: 6x48mm,7x48mm,8x48mm,9x48mm,10x48mm,11x48mm,12x48mm,13x48mm(optional) Package Includes: 4Pcs Electric Drill Bit note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.