[Stable and Immobile] - The new design and upgrade of the anvil assembly reduces the number of connection points. The connection hole with strong magnetic attraction, 04inch wide tail diameter and 02inch deep groove make the operation more stable and not easy to fall off.[Precision Forging]- Dozens of tests and experiments have been carried out on the basis of the components to solve better compatibility, while aiming to surpass the functions.[High hardness and wear ] - The positioning pin and anvil are made of high-quality chrome-vanadium alloy steel, with a hardness of up to 60HRC, wear-resistant and corrosion-resistant, as new, and never rusted.[All-round application]- The replacement anvil is compatible with conversion heads such as hexagonal , hole saw, drill bit, socket, etc., to meet the needs of drilling, screwing, wrench and other scenarios, and it is more powerful than the version.[Perfect Gift]-If you have someone around you who likes crafting or DIY, you will help him free his hands with minimal cost, and the time-saving function will make people scream and .Colour:Iron-grayMaterial:Chrome vanadium alloyPackage Contents:2 x Impact DriverOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.